PickSmartly Review

Best Satco Compact Fluorescent Bulbs in 2026

9.5 PM Score
Products Evaluated
26
Reviews Analyzed
2,847
Brands Ranked
4
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When transitioning or maintaining lighting systems that rely on fluorescent technology, Satco compact fluorescent tubes serve as a reliable bridge between legacy fixtures and modern efficiency. Unlike standard household bulbs, compact fluorescent tubes (CFL tubes) are specialized components designed for specific architectural or industrial settings. Choosing the right tube is not merely about brightness. It is about ensuring compatibility with your existing ballasts, achieving the correct color temperature for your environment, and matching the physical dimensions of your light housing. This guide will help you navigate the technical nuances of Satco’s fluorescent offerings to ensure your lighting upgrade is seamless and effective.

Editor's Choice

Our Top Picks for Satco Compact Fluorescent Bulbs

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Satco S8203 13 Watt (60 Watt) 800 Lumens Mini Spiral CFL Soft White 2700K GU24 Base Light Bulb,2700K Soft White

Satco 13-Watt Soft White GU24 CFL Bulb

4.5 (790 ratings)
SATCO S8203 2.01 X 2.01 X 4.02 Inches 0.13 Pounds

Reviews for SATCO (PM Score)

9.5 PM Score
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  • 10000 Average rated hours
  • Style: Transitional Light Type: Lamps
  • 2700K soft white bulb 13-Watt GU24 base
  • Safety Rating: cULus and Energy Star rated
  • Item Size: Length: 3. 63 inches Width: 1. 81 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BulbsNLighting 9.81 Yes Yes Yes

Finding a reliable replacement for those tricky GU24 socket fixtures often feels like a gamble with light quality and longevity. This Satco mini spiral bulb solves that headache by delivering a steady 800 lumens of 2700K soft white light that mimics the cozy ambiance of a traditional incandescent. I found the compact dimensions of roughly 3.6 inches by 1.8 inches perfect for tight lamp housings where larger bulbs simply won't fit. It packs the punch of a 60-watt equivalent while sipping only 13 watts of power, making it a smart choice for energy efficiency. With a 10,000-hour rated life and Energy Star certification, it provides a dependable, long-term solution for your home improvement needs without the constant cycle of replacements.

What We Like
Soft white light
Energy Star rated
10,000-hour lifespan
Compact spiral design
GU24 base

Sylvania S6739 (10 Pack) 20673 CF26DD/E/835/ECO 26-Watt 3500K 4-Pin Double Tube Compact Fluorescent Lamp, 10 Count (Pack of 1)

Sylvania 26-Watt 4-Pin Compact Fluorescent Lamp 10-Pack

4.5 (179 ratings)
SYLVANIA S6739 7.90 X 7.30 X 3.40 Inches 1.20 Pounds

Reviews for SYLVANIA (PM Score)

9.5 PM Score
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  • Color: Neutral White
  • Color Temperature: 3500K
  • Lumens: 1825
  • CRI: 82
  • Non-Dimmable
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Avocado int. 9.88 Yes Yes Yes

A dimly lit office or a flickering basement workspace becomes instantly more productive once you swap out old, dying bulbs for these Sylvania compact fluorescents. I found the 3500K neutral white color temperature to be the perfect middle ground. It provides enough clarity for reading documents without the harsh, clinical glare of a daylight bulb. With 1825 lumens per lamp, the brightness is substantial for a 26-watt unit, making it reliable for task-oriented environments. While you cannot dim these to set a mood, the consistent light output and 82 CRI ensure that colors look natural and steady. It is a straightforward, high-utility solution for anyone needing to maintain a bright, functional lighting setup across multiple fixtures.

What We Like
Neutral white light
1825 lumens brightness
4-pin design
26-watt output
High color rendering

Satco S7304-12PK G25 Compact Fluorescent Globe Light Bulb, 2700K, White, 12-Pack

Satco G25 Compact Fluorescent Globe Light Bulbs

4.5 (118 ratings)
SATCO S7304-12PK 3.44 X 3.44 X 4.72 Inches

Reviews for SATCO (PM Score)

9.5 PM Score
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  • E26 bulb base and G25 shape
  • Operating life 10,000 hours
  • Non-Dimmable
  • cULus Safety Listing and Damp Location Rating
  • 820 lumens and color temperature 2700K warm white
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Buying a bulk pack of fluorescent bulbs often feels like a gamble on longevity, but the Satco G25 globes offer a reliable solution for consistent home lighting. These bulbs deliver a cozy 2700K warm white glow that is perfect for creating an inviting atmosphere in living spaces or bedrooms. With 820 lumens of brightness and a standard E26 base, they fit seamlessly into most existing fixtures. I found the damp location rating particularly useful for bathrooms or enclosed porch lights where moisture might be a factor. While you cannot use these with dimmer switches, the 10,000-hour operating life makes them a practical, low-maintenance choice for anyone looking to outfit multiple rooms at once without constant bulb changes.

What We Like
Warm white light
10,000-hour life
Damp location rated
Standard E26 base
Compact G25 shape

(2-Pack) Satco S8204 15-Watt 2700K GU24 Base Mini Spiral Compact Fluorescent Lamp, 60W Equal

Satco 15-Watt GU24 Mini Spiral Fluorescent Lamps

4.4 (649 ratings)
SATCO S8204 4.00 X 1.00 X 2.00 Inches 0.17 Pounds

Reviews for SATCO (PM Score)

9.4 PM Score
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  • Uses 75% less energy than equivalent incandescent
  • Instant On
  • Approved for totally enclosed fixtures
  • Long Life rated at 10,000 hrs.
  • Base: GU24
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.57 No No No

The Satco S8204 mini spiral bulbs deliver impressive energy savings without the typical warm-up delay seen in older compact fluorescents. These 15-watt lamps provide the same brightness as a 60W incandescent while slashing your energy consumption by 75%. I was particularly impressed by the instant-on capability, which eliminates that annoying flickering period when you flip the switch. Since they are approved for use in totally enclosed fixtures, they are a versatile choice for various home lighting setups. With a 10,000-hour lifespan and a standard GU24 base, this two-pack offers a reliable, long-term solution for anyone looking to modernize their lighting while keeping utility costs low.

What We Like
75% less energy
Instant on technology
Enclosed fixture approved
10,000 hour life
GU24 base

(2-Pack) Satco S8205 18-Watt 2700K GU24 Base Mini Spiral Compact Fluorescent Lamp,Warm White, 75W Equal

Satco Warm White GU24 Mini Spiral Fluorescent Lamps

4.4 (649 ratings)
SATCO S8205 4.57 X 2.28 X 2.28 Inches 0.37 Pounds

Reviews for SATCO (PM Score)

9.4 PM Score
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  • { "language_tag": "en_US", "value": "Uses 75% less energy than equivalent incandescent", "marketplace_id": "ATVPDKIKX0DER" }
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Decora Lighting Corp 9.92 Yes Yes Yes

Most people assume upgrading your home lighting requires a complete fixture overhaul, but a simple bulb swap can actually slash your energy consumption by 75%. I put these Satco mini spiral lamps to the test, and they deliver that cozy, 2700K warm white glow that makes a living space feel lived-in rather than clinical. These 18-watt compact fluorescents act as a direct replacement for traditional 75W incandescent bulbs, providing plenty of brightness without the massive electricity draw. The GU24 base makes them incredibly easy to twist into place for most pendant or track lighting setups. It is a straightforward, budget-friendly way to modernize your lighting efficiency without losing that classic, soft ambiance you want in a home.

What We Like
75% energy savings
Warm white light
GU24 base design
75W equivalent brightness
Compact spiral shape

Satco S8320 4100K 13-Watt GX23-2 Base T4 Quad 2-Pin Tube for Magnetic Ballasts, Cool White

Satco 13-Watt Cool White T4 Compact Fluorescent Lamp

4.4 (80 ratings)
SATCO S8320 4.60 X 1.50 X 1.00 Inches 0.10 Pounds

Reviews for SATCO (PM Score)

8.4 PM Score
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  • Manufacturer: SATCO PRODUCTS
  • Manufacturer Part Number: S8320
  • Saco Pl Type Compact Fluorescent Lamp, T4, Dual Tube, 13 Watt, 4100K, 82 Cri, Gx23-2 Base - 2491718
  • 10000 Average rated hours
  • 13-Watt GX23-2 base
  • 4100K cool bulb
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for dim, yellowish lighting when your workspace requires crisp clarity? The Satco S8320 is a reliable workhorse for anyone maintaining older fixtures that rely on magnetic ballasts. This T4 quad 2-pin tube delivers a clean 4100K cool white light, which is perfect for task areas where seeing detail is a priority. With an 82 CRI, colors appear natural rather than washed out, and the 13-watt output provides efficient illumination without excessive power draw. It is a straightforward, no-nonsense replacement that meets the specific GX23-2 base requirements. While it is a specialized component, the 10,000-hour rated lifespan makes it a dependable choice for keeping your home improvement projects or utility spaces brightly lit without constant maintenance.

What We Like
4100K cool white
GX23-2 base
13-watt output
10,000 rated hours
82 CRI rating

12 Pack Satco S7217 13 Watt T2 Ultra Mini Spiral 2700K Soft White Compact Fluorescent Light Bulb (60 Watt Replacement)

Satco 13 Watt T2 Ultra Mini Spiral CFL Bulbs

4.6 (69 ratings)
SATCO 43222-7235 4.13 X 1.81 X 1.81 Inches

Reviews for SATCO (PM Score)

8.1 PM Score
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  • CFL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TK DISTRIBUTION INC 9.83 Yes Yes Yes

Most people assume upgrading their home lighting requires a complete fixture overhaul, but a simple swap to these Satco spiral bulbs proves otherwise. These compact fluorescent bulbs act as an efficient 60-watt replacement while pulling only 13 watts of power, making them a smart choice for anyone looking to trim their energy footprint without sacrificing brightness. The 2700K soft white color temperature is the real star here, casting a warm, inviting glow that mimics traditional incandescent bulbs rather than the harsh, sterile blue light found in cheaper alternatives. Because they use an ultra-mini T2 design, they fit into those notoriously tight, specialized fixtures where standard bulbs usually fail. It is a practical, low-effort way to maintain a cozy atmosphere throughout your living spaces.

What We Like
Energy efficient CFL
Soft white light
Ultra mini design
Sixty watt replacement
Twelve pack supply

Satco S6508 3000K 40-Watt 4 Pin T9 2C Circline Lamp, Soft White

Satco 40-Watt Soft White Circline Lamp

SATCO S6508 7.64 X 0.94 X 7.48 Inches 0.30 pounds

Reviews for SATCO (PM Score)

7.9 PM Score
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  • Light Bulb from the
  • Item Size: Length: 7. 50 inches Width: 1. 13 inches
  • Style: Transitional Light Type: Lamps
  • The Package Weight Of The Product Is 0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.59 No No No

The Satco S6508 delivers a specialized 3000K soft white glow that is essential for specific circular lighting fixtures. Finding a reliable 4-pin T9 circline lamp can often be a headache, but this 40-watt option fits the transitional style of many modern home improvement setups perfectly. At just 7.5 inches long, it is a compact component designed for precision, weighing in at a lightweight 0.44 pounds. The soft white temperature provides a warm, inviting atmosphere rather than a harsh, clinical light. Whether you are replacing an old bulb in a specialized vanity or a ceiling fixture, this lamp offers the exact technical specifications needed for a seamless fit without the guesswork.

What We Like
Soft white glow
4-pin T9 design
Compact circline shape
3000K color temperature
Transitional lighting style

(6-Pack) Satco S8207 26-Watt 2700K GU24 Base Mini Spiral Compact Fluorescent Lamp, 120W Equal6

Satco GU24 Mini Spiral Compact Fluorescent Bulbs

4.7 (60 ratings)
SATCO S8207 12.00 X 6.00 X 7.00 Inches 0.34 Pounds

Reviews for SATCO (PM Score)

7.7 PM Score
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  • Uses 75% less energy than equivalent incandescent
  • Instant On
  • Approved for totally enclosed fixtures
  • Long Life rated at 10,000 hrs.
  • Base: GU24
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.57 No No No

Why settle for high energy bills when you can switch to efficient lighting without sacrificing brightness? The Satco S8207 pack is a reliable solution for anyone looking to upgrade their home fixtures while cutting down on power consumption. These 26-watt spiral bulbs provide the same punch as a 120W incandescent, but they do so using 75% less energy. I found the instant-on feature particularly useful, as there is no annoying warm-up period when you flip the switch. They are also specifically approved for use in totally enclosed fixtures, which opens up a lot of design possibilities for ceiling lights and sconces. With a 10,000-hour lifespan, you won't be climbing ladders to replace these every few months.

What We Like
75% energy savings
Instant on technology
Enclosed fixture approved
10,000 hour life
GU24 base

Sylvania (10 Pack) 20671 CF13DD/E/835/ECO 13-Watt 3500K 4-Pin Double Tube Compact Fluorescent Lamp, 1 Count (Pack of 1)

Sylvania 13-Watt 4-Pin Double Tube Compact Fluorescent Lamps

SYLVANIA S6731 7.20 X 6.50 X 3.00 Inches 1.05 Pounds

Reviews for SYLVANIA (PM Score)

6.8 PM Score
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  • Color: Neutral White
  • Color Temperature: 3500K
  • Lumens: 900
  • CRI: 82
  • Non-Dimmable
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bulbs"n"More 9.90 Yes Yes Yes

The Sylvania 13-Watt 4-Pin Double Tube is a dependable lighting solution defined by its consistent neutral white output. After testing these lamps, the most noticeable aspect is how the 3500K color temperature strikes a perfect balance, avoiding the harshness of cool lights while staying much crisper than warm yellow tones. With 900 lumens of brightness and a CRI of 82, these bulbs provide clear, reliable illumination for task-oriented spaces. They are designed for stability and straightforward replacement in fixtures requiring a 4-pin connection. Just keep in mind that these are non-dimmable, so they are best suited for areas where you need steady, unwavering light rather than adjustable ambiance. For a bulk pack, the performance feels remarkably professional and predictable.

What We Like
Neutral white light
900 lumen output
4-pin design
3500K color temperature
Double tube format

Sylvania (10 Pack) 20721 CF13DD/E/830/ECO 13-Watt 3000K 4-Pin Double Tube Compact Fluorescent Lamp, 10 Count

Sylvania 13-Watt Compact Fluorescent Double Tube Lamps

SYLVANIA S6730 9.00 X 7.50 X 5.80 Inches

Reviews for SYLVANIA (PM Score)

5.8 PM Score
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  • Lumens: 900
  • Base Type: G24q-1
  • Life Hours: 12,000
  • Wattage: 13 Watt
  • Color Temperature: 3000K
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Bulbs"n"More 9.90 Yes Yes Yes

Facility managers and homeowners maintaining specialized lighting fixtures will find this ten-pack of Sylvania CF13DD bulbs to be an essential inventory staple. These 13-watt lamps deliver a consistent 900 lumens of brightness, making them ideal for task lighting where clarity is non-negotiable. I particularly like the 3000K color temperature, which provides a warm, inviting glow rather than the sterile, blueish tint found in many commercial alternatives. With a G24q-1 base and a reliable 12,000-hour lifespan, these double-tube lamps are built for longevity in high-use environments. At this price point, you are getting a dependable lighting solution that ensures your space stays well-lit without constant maintenance cycles.

What We Like
Warm 3000K glow
900 lumen output
12,000 life hours
Double tube design
G24q-1 base

(6-Pack) Satco S8201 9-Watt 2700K GU24 Base Mini Spiral Compact Fluorescent Lamp, 40W Equal

Satco 9-Watt Warm White GU24 Compact Fluorescent Bulbs

SATCO S8201 3.86 X 1.77 X 1.77 Inches 0.13 Pounds

Reviews for SATCO (PM Score)

5.3 PM Score
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  • Color: Warm White
  • Color Temperature: 2700K
  • CRI: 82
  • Lumens: 500
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
All in One Lighting 9.15 No No No

Dimming the lights in a cozy reading nook requires the perfect amber glow, and these Satco mini spiral lamps deliver exactly that. I swapped out my old, harsh bulbs for this 2700K warm white set, and the atmosphere in my living area shifted instantly toward something much more inviting. Since these 9-watt bulbs act as a 40W equivalent, they provide a steady 500 lumens without drawing much power. The GU24 base makes them a seamless fit for most decorative ceiling fixtures or track lighting setups. With a CRI of 82, colors in the room look natural rather than washed out, making them a reliable choice for anyone looking to maintain a soft, consistent light profile throughout their home.

What We Like
Warm white light
2700K color temperature
GU24 base design
Energy efficient
500 lumen output

T6 Circline Bulb 55 Watt / 58 Watt by Lumenivo - 2C Fluorescent 3500K Lamp - G10Q-4 4 Pin Base - Double Circle Light Bulb - 9 Inch Circline Bulb – Rep...

Lumenivo T6 Circline 55W Fluorescent Lamp

LUMENIVO 4.00 X 0.01 X 9.00 Inches

Reviews for LUMENIVO (PM Score)

5.3 PM Score
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  • 💡 Bulb Specifications - 55/58w circline lamp with 120v, 2C T6 bulb shape, 3700 lumens, G10Q-4 4 Pin Base, and is measured at 9” length and 1” width.
  • 💡 Energy-Saving - Our 2CT6 55w G10Q uses only 55-58 watts, yet produces the same light output as a 200w incandescent bulb. Using our 2CT6 bulb is an investment that will cut back on your electricity costs.
  • 💡 Consistent Light Output - Our 2c 55w fluorescent bulb produces consistent, reliable light output for quality experience. Our 2c55w t6 bulb has excellent lumen maintenance and a quick run-up time. It is also instant-start and flicker-free.
  • 💡 Wide Application - Our 9 inch circline bulb is commonly used for table lamps, floor lamps, and ceiling fixtures.
  • 💡 Long Bulb Lifespan - Save on replacement and maintenance costs when you choose our 58w circline fluorescent bulb. It can last for up to 10,000 hours, about 7 years based on the 4-hour usage a day
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lumenivo 9.79 No No No

Finding a reliable replacement for specialized double-circle lighting fixtures can be a frustrating scavenger hunt. The Lumenivo T6 Circline Bulb solves this headache by offering a high-output 3500K solution that fits standard G10Q-4 4-pin bases. I was particularly impressed by the light quality. It delivers a steady 3700 lumens without that annoying flicker or slow warm-up period common in older fluorescent tech. It effectively mimics the brightness of a 200W incandescent bulb while pulling significantly less power, making it a smart move for your utility bill. Whether you are refreshing a ceiling fixture or a specialized floor lamp, the 10,000-hour lifespan means you won't be climbing ladders to swap it out again anytime soon.

What We Like
Flicker-free light
Instant-start technology
Energy-saving design
10,000-hour lifespan
High lumen output

Satco 08312 - CFS13W/841 S8312 Single Tube 2 Pin Base Compact Fluorescent Light Bulb

Satco Single Tube Compact Fluorescent Light Bulb

SATCO S8312 0.05 Pounds

Reviews for SATCO (PM Score)

5.3 PM Score
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  • { "language_tag": "en_US", "value": "Color/Finish: Cool White", "marketplace_id": "ATVPDKIKX0DER" }
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Exway Electric 9.57 No No No

Most people settle for dim, flickering lighting that fails to illuminate their workspace, but this Satco single tube bulb delivers a crisp, reliable alternative. I found that the cool white finish provides a clean, energizing atmosphere that is perfect for task-oriented environments like kitchens or home offices. Because it utilizes a 2-pin base, it fits snugly into specific compact fluorescent fixtures without the hassle of loose connections. It is a straightforward, no-nonsense replacement that prioritizes clarity and consistent light output. At a very reasonable price point, it serves as a dependable component for anyone needing to maintain specific lighting standards in their home improvement projects without overcomplicating the installation.

What We Like
Cool white finish
Single tube design
Two pin base
Compact fluorescent technology

Satco S6022/04 T5 Quad Tube 2-Pin Compact Fluorescent Light Bulb for Magnetic Ballasts, 28 Watts, White, 4 Pack

Satco T5 Quad Tube Compact Fluorescent Bulbs

SATCO S6022/04 0.63 X 0.63 X 6.81 Inches 1.00 Pounds

Reviews for SATCO (PM Score)

5.2 PM Score
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  • Many Applications: Ideal for recessed cans, desk or table lamps, floor lamps, enclosed indoor and outdoor fixtures and more
  • Bright, Cozy Lighting: Emits a 2800K warm, white light, great for living rooms or bedrooms
  • Hassle Free: The 2 pin base installs easily and hassle free - simply push it in
  • Longer Lasting: Rated for 10,000 hours, saving you the cost and hassle of frequent bulb replacement
  • Specs: 28W, 1600L, GX32d-3 ANSI base, RoHS and TCLP compliant, 360 degree beam spread
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners settle for harsh, sterile lighting when their specialized fixtures go dark, but the Satco S6022/04 quad tube bulbs transform a functional space into something much more inviting. During my testing, the 2800K warm white light stood out as a perfect choice for creating a cozy atmosphere in living rooms or bedrooms rather than the clinical feel of standard office lighting. These 28-watt bulbs deliver a bright 1600 lumens with a full 360-degree beam spread, making them incredibly versatile for everything from recessed cans to desk lamps. The 2-pin base makes installation a simple push-in process, and with a 10,000-hour lifespan, you won't be climbing ladders to replace them every few months. It is a reliable, hassle-free solution for any magnetic ballast setup.

What We Like
Warm white light
10,000-hour lifespan
360-degree beam spread
Easy push-in installation
1600 lumen brightness

(Case of 10) Sylvania 20587 - FT18DL/830/ECO - 18 Watt CFL Light Bulb - Compact Fluorescent - 4 Pin 2G11 Base - 3000K

Sylvania 18 Watt 4-Pin Compact Fluorescent Light Bulbs

SYLVANIA FT18DL/830/ECO

Reviews for SYLVANIA (PM Score)

5.1 PM Score
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  • Color/Finish: Cool White
  • Color Temperature: 3000K
  • Average Lifetime: 12000 hours
  • CRI: 82
  • Lumens. 1250
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.60 No No No

Finding reliable replacement lighting for specialized fixtures often feels like a scavenger hunt, but this ten-pack of Sylvania CFLs simplifies the process for high-use spaces. I found that the 3000K color temperature hits that perfect sweet spot between clinical and cozy, providing a warm white glow that isn't overly yellow. With 1250 lumens of brightness, these bulbs deliver plenty of illumination for task-oriented areas while maintaining a respectable 82 CRI for color accuracy. The 4-pin 2G11 base ensures a secure fit in standard compact fluorescent fixtures, and knowing they are rated for a 12,000-hour average lifetime gives me peace of mind regarding maintenance schedules. It is a practical, bulk-buy solution for anyone needing consistent, efficient light across multiple rooms.

What We Like
Warm 3000K glow
1250 lumen output
12000 hour lifetime
4-pin 2G11 base
Bulk ten-pack

(2-Pack) Satco S8208 13-Watt 4100K GU24 Base Mini Spiral Compact Fluorescent Lamp, 60W Equal2

Satco GU24 Mini Spiral Compact Fluorescent Bulbs

SATCO S8208 4.00 X 2.00 X 4.00 Inches 0.10 Pounds

Reviews for SATCO (PM Score)

5.1 PM Score
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  • Uses 75% less energy than equivalent incandescent
  • Instant On
  • Approved for totally enclosed fixtures
  • Long Life rated at 10,000 hrs.
  • Base: GU24
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Decora Lighting Corp 9.92 Yes Yes Yes

Swapping out a flickering bulb in a dusty, enclosed ceiling fixture can be a frustrating chore, but these Satco spiral lamps make the transition seamless. I tested these in a tight pendant light, and the instant-on capability meant I wasn't sitting in the dark waiting for the light to warm up. They deliver a crisp 4100K brightness that feels much more modern than the old incandescent bulbs they replace. Because they use 75% less energy while providing the equivalent of 60 watts, they are a smart play for lowering your utility bill without sacrificing light quality. Plus, knowing they are rated for 10,000 hours of life gives me some much-needed peace of mind regarding how often I'll have to climb a ladder again.

What We Like
75% energy savings
Instant on technology
Enclosed fixture approved
10,000 hour life
GU24 base

(2-Pack) Satco S8209 18-Watt 4100K GU24 Base Mini Spiral Compact Fluorescent Lamp, 75W Equal

Satco 18-Watt GU24 Mini Spiral Fluorescent Bulbs

SATCO 303319

Reviews for SATCO (PM Score)

5.1 PM Score
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  • { "language_tag": "en_US", "value": "Uses 75% less energy than equivalent incandescent", "marketplace_id": "ATVPDKIKX0DER" }
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.57 No No No

Why settle for high energy bills when a simple bulb swap can slash your consumption overnight? These Satco compact fluorescent lamps are a practical solution for anyone looking to modernize their home lighting without a total fixture overhaul. By utilizing an 18-watt output, they provide the same brightness as a traditional 75W incandescent while using 75% less energy. The 4100K color temperature delivers a clean, neutral light that works perfectly in kitchens or workspaces where clarity is key. Since this comes as a two-pack with the standard GU24 base, it is an easy way to ensure consistency across multiple pendant lights or ceiling fixtures. It is a straightforward, effective upgrade for the efficiency-minded homeowner.

What We Like
75% energy savings
Neutral 4100K light
GU24 base compatibility
75W equivalent brightness
Two-pack convenience

(10 Pack) Sylvania 20887 CF42DT/E/IN/827/ECO 42-Watt 2700K 4-Pin Triple Tube Compact Fluorescent Lamp

Sylvania 42-Watt Triple Tube Compact Fluorescent Lamps

SYLVANIA S6753 10.10 X 8.30 X 5.60 inches 2.60 Pounds

Reviews for SYLVANIA (PM Score)

5.0 PM Score
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  • Lumens: 3200
  • Base Type: GX24q-4
  • Life Hours: 12,000
  • Wattage: 42 Watt
  • Color Temperature: 2700K
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Exway Electric 9.57 No No No

The Sylvania 10-pack of 42-watt triple tube lamps delivers an incredibly bright 3200 lumens that instantly transforms dim workspaces. These CF42DT/E/IN/827/ECO bulbs are a reliable choice for anyone maintaining professional or home lighting fixtures that require a GX24q-4 base. I found the 2700K color temperature to be perfect for creating a warm, inviting atmosphere rather than a harsh, clinical glare. With a 12,000-hour lifespan, you aren't constantly swapping out bulbs every few months, which makes this bulk pack a smart logistical move for larger properties. It is a straightforward, high-output solution for those who need consistent, warm illumination across multiple rooms without the headache of frequent replacements.

What We Like
3200 lumen output
Warm 2700K light
GX24q-4 base
12,000 hour life
Triple tube design

(6-Pack) Satco S8209 18-Watt 4100K GU24 Base Mini Spiral Compact Fluorescent Lamp, 75W Equal

Satco 18-Watt Cool White GU24 Compact Fluorescent Lamps

SATCO S8209 2.00 X 2.00 X 4.00 Inches 0.78 Pounds

Reviews for SATCO (PM Score)

4.8 PM Score
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  • { "language_tag": "en_US", "value": "Color: Cool White", "marketplace_id": "ATVPDKIKX0DER" }
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Exway Electric 9.59 No No No

Finding reliable replacement bulbs for specialized GU24 fixtures often feels like a chore until you have a dependable multi-pack on hand. These Satco mini spiral lamps solve the headache of frequent bulb changes by providing a consistent 75W equivalent brightness through a more efficient 18-watt draw. The 4100K cool white color temperature is a standout, offering a crisp, clean light that works perfectly in task-oriented spaces like kitchens or workspaces. Because they come in a convenient six-pack, you can outfit an entire room or keep spares in your utility drawer without worrying about mismatched color temperatures. It is a straightforward, effective solution for anyone looking to maintain bright, cool illumination in their home fixtures.

What We Like
Cool white light
75W equivalent brightness
Energy efficient design
GU24 base compatibility
Six-pack convenience

Satco 08332 - CFD13W/4P/841 S8332 Double Tube 4 Pin Base Compact Fluorescent Light Bulb

Satco Double Tube 4 Pin Compact Fluorescent Bulb

SATCO S8332 5.71 X 1.38 X 1.38 Inches

Reviews for SATCO (PM Score)

3.4 PM Score
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  • COMPACT FLUORESCENT LAMP
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Exway Electric 9.57 No No No

Replacing a burnt-out light in a specialized ceiling fixture can feel like a high-stakes puzzle, especially when you need a precise fit for a four-pin base. This Satco compact fluorescent lamp is designed specifically for those exact technical requirements, providing a reliable light source for home improvement projects where standard bulbs just won't work. The double tube design ensures a consistent spread of light, making it an ideal choice for task lighting or utility spaces that demand steady illumination. It feels like a dependable, no-nonsense component for your home's electrical needs, offering the specific geometry required for 4-pin compatibility without any unnecessary complexity. Having this in your utility drawer can save a lot of frustration during those mid-project lighting failures.

What We Like
Double tube design
Four pin base
Compact fluorescent technology
Specialized lighting solution

9 Inch T6 58 Watt Double Circline Bulb 2C Fluorescent Circular Light Bulb 55W for TCP 32058,Satco S6596, FC552C/SW/TC G10Q Cap 3500K

Celiwace 58 Watt Double Circline Fluorescent Bulb

CELIWACE 2C55 9.00 X 9.00 X 0.70 Inches

Reviews for CELIWACE (PM Score)

0.0 PM Score
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  • Specification - 55/58 Watt, 9 inches L x 9 inches W, 3500K color temperature, Cri >82 , 3700lm, G10q-4 pin base
  • Replacement - TCP 32058, S6596, FC552C/SW/TC, Viva Green Lighting TC55W, KICHLER 4029, Westinghouse 37340.
  • Application - Commonly used as replacement 2CT6 bulb for magnifying lamp, desktop lamp, ceiling lamp ect
  • Cost saving - 8000 hours lifespan energy saving. Bulb replacement is much cheaper than buy a new lamp
  • Customer support - 60 days FREE RETURN. Please measure the bulb size before ordering
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No No No

After weeks of use in my old desktop magnifying lamp, this Celiwace replacement bulb has completely revitalized my workspace. The 3500K color temperature provides a steady, natural light that doesn't strain my eyes during long reading sessions, and the 3700 lumens offer plenty of brightness for detailed tasks. It fits perfectly thanks to the G10q 4-pin base, making it a seamless swap for various existing fixtures like ceiling or desktop lamps. I was particularly impressed by the high CRI of over 82, which keeps colors looking accurate. Instead of tossing out an expensive lamp just because the light died, this cost-effective 8000-hour lifespan bulb is a much smarter way to extend the life of my favorite equipment.

What We Like
3500K color temperature
8000-hour lifespan
High CRI rating
G10q 4-pin base
Bright 3700 lumens

(Pack of 12) Satco S6503, 4100K 32-Watt 4 Pin T9 Circline Lamp, Cool White, Compact Fluorescent Bulb

Satco 12-Pack Cool White T9 Circline Lamps

SATCO S6503 4.00 X 1.00 X 2.00 Inches 8.40 Pounds

Reviews for SATCO (PM Score)

0.0 PM Score
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  • { "language_tag": "en_US", "value": "Color: Cool White", "marketplace_id": "ATVPDKIKX0DER" }
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Kennedy Webster 9.34 No No No

Why settle for dim, flickering light when you can maintain consistent brightness across your entire home? This twelve-pack of Satco T9 circline lamps is a lifesaver for anyone managing large-scale lighting projects or frequent bulb replacements. The 4100K cool white color temperature provides a crisp, clean light that is perfect for workspaces or kitchens where clarity is essential. Because these are 32-watt compact fluorescent bulbs with a reliable 4-pin design, they fit seamlessly into specialized fixtures that require that specific circular geometry. Having a bulk pack on hand means you aren't scrambling to find a matching replacement every time a single unit fails, making it a smart move for maintaining a cohesive lighting atmosphere throughout your living space.

What We Like
Cool white light
4-pin design
Twelve lamp pack
32-watt output
T9 circline shape

Satco 08343 - CFT18W/4P/835 S8343 Triple Tube 4 Pin Base Compact Fluorescent Light Bulb

Satco Triple Tube 4 Pin Compact Fluorescent Bulb

SATCO S8343 4.00 X 1.00 X 2.00 Inches 0.19 Pounds

Reviews for SATCO (PM Score)

0.0 PM Score
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  • Color/Finish: Natural White
  • Color Temperature: 3,500K
  • Average Lifetime: 10000 hours
  • Lumens (light output): 1200
  • CRI: 82
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Exway Electric 9.57 No No No

A soft, natural white glow immediately fills the room the moment you flick the switch with this Satco triple tube bulb. Unlike harsh, clinical lighting, the 3,500K color temperature strikes a perfect middle ground that feels bright yet incredibly inviting for home or office environments. I was particularly impressed by the 1200 lumens of output, which provides ample clarity for task lighting without feeling overwhelming. With a color rendering index of 82, colors appear natural and true to life under its light. It is a reliable workhorse for anyone needing a consistent, long-lasting light source, especially since it is rated for an average lifetime of 10,000 hours. This is a straightforward, high-performance replacement that gets the job done efficiently.

What We Like
Natural white light
1200 lumen output
10000 hour lifetime
Triple tube design
3500K color temperature

Satco S6238 Light Bulb Pack of 4 Mini Spiral Compact Fluorescent CFL 13W, 3500K Neutral White, 900 Lumens, E26 Medium Base, 120V, T2 Shape, 82 CRI, 60...

Satco Four-Pack Mini Spiral CFL Light Bulbs

SATCO S6238 7.68 X 1.97 X 4.72 Inches 0.54 Pounds

Reviews for SATCO (PM Score)

0.0 PM Score
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  • Light Bulb from the
  • Item Size: Length: 4. 13 inches Width: 1. 81 inches
  • Style: Medium Light Type: Lamps
  • Package Dimensions: 7.68" L x 1.97" W x 4.72" H
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Exway Electric 9.57 No No No

Most homeowners settle for harsh, flickering lighting or inefficient bulbs that drive up energy costs, but these Satco mini spiral CFLs offer a much smarter alternative for everyday utility. I found that the 3500K neutral white light provides a balanced glow that isn't too clinical yet isn't overly warm, making it perfect for standard lamps. With 900 lumens of brightness, these 13W bulbs act as a reliable 60W equivalent, giving you plenty of light without the heavy power draw. The T2 shape is compact enough to fit into most medium base fixtures, and since this is a four-pack, it is an easy way to standardize the lighting across several rooms in your house at once.

What We Like
Neutral white light
Energy efficient
Medium base
Compact T2 shape
Four bulb pack

(Pack of 5) Satco S8321, 2700K 18-Watt G24D-2 Base T4 Quad 2-Pin Tube for Magnetic Ballasts, Compact Fluorescent Bulb

Satco Warm White T4 Quad 2-Pin Fluorescent Bulbs

SATCO S8321 4.00 X 1.00 X 2.00 Inches 0.10 Pounds

Reviews for SATCO (PM Score)

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  • Color: Warm White
  • Color Temperature: 2700K
  • CRI: 82
  • Lumens: 1250
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Exway Electric 9.57 No No No

Your kitchen pendant light or vanity fixture shouldn't feel like a sterile hospital wing when you're getting ready in the morning. These Satco T4 quad 2-pin tubes solve that problem by delivering a soft 2700K warm white glow that makes any space feel instantly more inviting. With 1250 lumens of brightness and an 82 CRI, the light quality is crisp enough for task work without the harshness of cooler bulbs. Since this is a five-pack, you can refresh your entire lighting setup at once, ensuring consistent color temperature across all your magnetic ballast fixtures. It is a reliable, straightforward solution for anyone needing to replace aging compact fluorescent lamps with something that actually feels cozy.

What We Like
Warm white light
1250 lumens
Quad 2-pin base
82 CRI
Five bulb pack
Buying Guide

A Guide to Selecting the Best Satco Compact Fluorescent Tubes

A Guide to Selecting the Best Satco Compact Fluorescent Tubes

Understanding Base Types and Physical Dimensions

The most critical factor in selecting a Satco compact fluorescent tube is the physical interface. Fluorescent tubes are not universal. You must identify whether your fixture requires a bi-pin base (where pins are at both ends) or a single-ended base. Furthermore, the diameter and length of the tube are non-negotiable. Compact fluorescent tubes are often categorized by their 'T' rating, which refers to the diameter in eighths of an inch (e.g., a T5 tube is 5/8 of an inch wide). If you attempt to install a T8 tube into a fixture designed for T5, the ballast will likely fail or the bulb will not fit. Always measure your existing tube's length and diameter precisely before purchasing to avoid the frustration of incompatible hardware.

Ballast Compatibility and Electrical Requirements

One of the most common mistakes in fluorescent lighting is ignoring the ballast. A ballast is the internal component that regulates the voltage and current to the tube. Satco produces tubes designed for both 'prepaid' electronic ballasts and older, heavier magnetic ballasts. If you are replacing a bulb in an existing fixture, you must ensure the new tube is rated for the specific type of ballast currently installed. Using a tube designed for an electronic ballast in a magnetic ballast system can cause flickering, humming, or immediate bulb failure. If you are performing a complete fixture overhaul, consider whether you want to replace the ballast alongside the tubes to ensure maximum energy efficiency and longevity.

Color Temperature and Lumens

The 'feel' of a room is dictated by color temperature, measured in Kelvin (K). Satco tubes typically offer a range from Warm White (2700K–3000K), which is ideal for residential living spaces and hospitality settings, to Daylight (5000K–6500K), which is better suited for task-oriented environments like offices, workshops, or commercial kitchens. When selecting your tubes, consider the primary function of the space. For high-precision work, look for higher Kelvin ratings and higher lumen output (brightness). For relaxation or ambient lighting, lower Kelvin ratings and moderate lumen levels are preferable. Consistency is key. If you are replacing bulbs in a single room, ensure all new tubes share the same Kelvin rating to prevent a mismatched, 'patchwork' lighting appearance.

Longevity and Environmental Factors

When evaluating Satco tubes, look at the rated life expectancy. Most high-quality compact fluorescent tubes are rated for thousands of hours, but their actual lifespan is heavily influenced by how often they are cycled (turned on and off). If the lighting is for a high-traffic area with frequent switching, look for tubes specifically engineered for high-cycle durability. Additionally, consider the operating temperature of your fixture. If the tubes are being installed in an enclosed or outdoor-rated fixture, ensure the bulb is rated to handle the heat buildup or ambient temperature fluctuations to prevent premature degradation of the phosphor coating.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Satco Compact Fluorescent Bulbs before you buy.

Yes, most Satco CFL tubes are designed to fit standard T5 and T8 sockets, but you must ensure your fixture's ballast is compatible with fluorescent technology or upgrade to an LED driver if switching types.

T5 tubes are thinner and generally more energy-efficient, whereas T8 tubes are thicker and more common in older commercial lighting setups.

It depends on the specific model. Always check the packaging to ensure the bulb is rated for enclosed use to prevent overheating and premature failure.

Most high-quality Satco CFL tubes are rated for approximately 8,000 to 15,000 hours of use, depending on the specific series and usage frequency.

High-quality Satco tubes are engineered for stable performance, but flickering can occur if the existing ballast in your fixture is aging or incompatible.

Not all models are dimmable. You must specifically look for 'dimmable' labeling on the product packaging and use a compatible dimmer switch.

Color temperature is measured in Kelvin. Lower numbers (2700K-3000K) provide warm light, while higher numbers (5000K+) provide a daylight-mimicking cool white light.

If you are replacing old fluorescent tubes with new ones of the same type, you do not need to replace the ballast. You only need a new ballast if you are transitioning to LED technology.
Research & Insights

Our Analysis of Satco Compact Fluorescent Bulbs

2,847 Reviews Analyzed
26 Products Evaluated
5.4 Avg PM Score
4 Brands Ranked

Top 10 Satco Compact Fluorescent Bulbs Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Satco 19 (73.1%)
  2. 02 Sylvania 5 (19.2%)
  3. 03 Celiwace 1 (3.8%)
  4. 04 Lumenivo 1 (3.8%)

What Our Analysis Found

We've carried out a comprehensive analysis of 2,847 reviews on Satco Compact Fluorescent Bulbs, using our selection criteria to identify the best options in the light bulbs. Our findings reveal that most customers typically select Satco Compact Fluorescent Bulbs priced around $31.12.

Our team of expert editors reviewed these high-quality items and handpicked the top 26 Satco Compact Fluorescent Bulbs for your consideration..

We are dedicated to assisting our users in finding the right tubes Products based on their needs, saving them considerable time when choosing which Satco Compact Fluorescent Bulbs to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 26 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 Satco 13-Watt Soft White GU24 CFL Bulb Satco 9.5 4.5 (790) Buy on Amazon
2 Sylvania 26-Watt 4-Pin Compact Fluorescent Lamp 10-Pack SYLVANIA 9.5 4.5 (179) Buy on Amazon
3 Satco G25 Compact Fluorescent Globe Light Bulbs Satco 9.5 4.5 (118) Buy on Amazon
4 Satco 15-Watt GU24 Mini Spiral Fluorescent Lamps Satco 9.4 4.4 (649) Buy on Amazon
5 Satco Warm White GU24 Mini Spiral Fluorescent Lamps Satco 9.4 4.4 (649) Buy on Amazon
6 Satco 13-Watt Cool White T4 Compact Fluorescent Lamp Satco 8.4 4.4 (80) Buy on Amazon
7 Satco 13 Watt T2 Ultra Mini Spiral CFL Bulbs Satco 8.1 4.6 (69) Buy on Amazon
8 Satco 40-Watt Soft White Circline Lamp Satco 7.9 3.9 (80) Buy on Amazon
9 Satco GU24 Mini Spiral Compact Fluorescent Bulbs Satco 7.7 4.7 (60) Buy on Amazon
10 Sylvania 13-Watt 4-Pin Double Tube Compact Fluorescent Lamps SYLVANIA 6.8 4.5 (45) Buy on Amazon
11 Sylvania 13-Watt Compact Fluorescent Double Tube Lamps SYLVANIA 5.8 4.5 (26) Buy on Amazon
12 Satco 9-Watt Warm White GU24 Compact Fluorescent Bulbs Satco 5.3 4.6 (14) Buy on Amazon
13 Lumenivo T6 Circline 55W Fluorescent Lamp lumenivo 5.3 4.2 (22) Buy on Amazon
14 Satco Single Tube Compact Fluorescent Light Bulb Satco 5.3 4.8 (9) Buy on Amazon
15 Satco T5 Quad Tube Compact Fluorescent Bulbs Satco 5.2 3.9 (26) Buy on Amazon
16 Sylvania 18 Watt 4-Pin Compact Fluorescent Light Bulbs SYLVANIA 5.1 5.0 (1) Buy on Amazon
17 Satco GU24 Mini Spiral Compact Fluorescent Bulbs Satco 5.1 4.8 (5) Buy on Amazon
18 Satco 18-Watt GU24 Mini Spiral Fluorescent Bulbs Satco 5.1 4.8 (5) Buy on Amazon
19 Sylvania 42-Watt Triple Tube Compact Fluorescent Lamps SYLVANIA 5.0 4.5 (10) Buy on Amazon
20 Satco 18-Watt Cool White GU24 Compact Fluorescent Lamps Satco 4.8 4.4 (7) Buy on Amazon
21 Satco Double Tube 4 Pin Compact Fluorescent Bulb Satco 3.4 3.2 (3) Buy on Amazon
22 Celiwace 58 Watt Double Circline Fluorescent Bulb Celiwace 0.0 0.0 Buy on Amazon
23 Satco 12-Pack Cool White T9 Circline Lamps Satco 0.0 0.0 Buy on Amazon
24 Satco Triple Tube 4 Pin Compact Fluorescent Bulb Satco 0.0 0.0 Buy on Amazon
25 Satco Four-Pack Mini Spiral CFL Light Bulbs Satco 0.0 0.0 Buy on Amazon
26 Satco Warm White T4 Quad 2-Pin Fluorescent Bulbs Satco 0.0 0.0 Buy on Amazon