Best 4 Pin Fluorescent Light Bulbs in 2026

T9 CIRCLINE LAMPS - Fluorescent T9 Circline lamps are an energy efficient solution to your lighting needs. These specially designed bulbs are made for use in classic Circline fixtures.

12-INCH SIZE - Standard FC12T9 bulb measures 12-inches in diameter and features a 4-pin (G10q) base.

2100 LUMENS - Bright 2100 lumen output while only using 32 watts of electricity. Annual energy cost of $3. 85 based on 3 hours/day @ $0. 11/kWh.

1. 1 inch diameter T9 circline with 4-pin (g10q) base.Special Features:Wattage 22W,Voltage 61V,Base G10Q

Uses 22 watts

Provides 1100 lumens

ITEM SPECIFICATIONS - 60-watt replacement using only 13-watts; 900 lumens of light output; Lasts 10,000 hours

PRODUCT FEATURES - Mini spiral T2 design; Emits a soft white colored light; Instant-On; Flicker free

USAGE - Ideal for use in desk and table lamps, wall sconces, ceiling mounted fixtures and ceiling fans

This Philips 13-watt Daylight Fluorescent light bulb brightens laundry rooms, bathrooms, kitchens, and offices.

Versatile for multiple applications, this 3500-Kelvin Fluorescent bulb is suitable for indoor, commercial, and residential use and may be used in surface-mounted down light fixtures and recessed cans.

Features a 4-Pin G24-3 Base. Low-mercury design creates a smaller environmental footprint.

BULB SPECIFICATIONS: These compact fluorescent lights, model number, PLT- 26W 841, come in a 10 pack. Each bulb uses 26 watts for 1800 Lumens of light. The bulbs are U shaped on a hexagon base, with a cool white color, 4100K.

QUICK INSTALL INSTANT LIGHT: These U tube bulbs have 4 pins at each end. Remove the old bulb, by holding the plastic base and pulling gently. Do not pull the actual glass. Then, pop these into the socket and twist into place for instant light.

LONG LIFE AND ENERGY SAVING: Each bulb gives you an average of 12,000 hours of light. This uses less electricity than incandescent bulbs so you can be energy efficient and still enjoy the bright.

ENERGY EFFICIENT – This ceiling light consumes only 32 watts of power, making it a cost-effective choice for your lighting needs. Its energy efficiency helps reduce your carbon footprint and electricity bill, saving you money in the long run.

LONG LIFE SPAN - Boasting an impressive average rated life of 10,000 hours, this T9 round fluorescent circline lamp ensures hassle-free, long-term use, minimizing the need for frequent replacements. With 1750 lumens, this T9 fluorescent lamp provides bright and consistent illumination, ensuring excellent visibility and vibrant colors in your space.

G10Q BASE - Featuring a G10Q 4-pin base, the Sunlite fluorescent lamp is designed for quick and simple installation in compatible fixtures.

BULBMASTER: This FC12T9/CW General Purpose T9 Fluorescent Bulb Emits A Bright Cool 4100K Light for uses in Kitchens, Garages, Basement, and all General Purpose Ceiling Lights,

COOL WHITE: These T9 Circle Bulbs Emit a Bright Light with Cool Glow with a Color Temperature of 4100 Kelvin

LONG LIFE: This Professional Grade Fluorescent Lamp will provide years of use for your Home With a Lifespan of over 12,000 hrs.

COMPACT DESIGN - The innovative quad tube lamp enhances performance and light output. It ensures efficient light distribution. Designed for use with electronic ballasts in reading lamps and other tabletop light fixtures.

BRIGHT AND EFFICIENT - With 1500 lumens of brightness, this lamp provides plenty of light using just 27 watts of energy, making it a cost-effective lighting solution. Estimated yearly energy cost is a low $3.25 (Based on 3 hours/day use at $0.11/kWh).

LONG LASTING - With an average lamp life of 10,000 hours, this lamp offers reliable and long-lasting performance, reducing the need for frequent bulb replacements. Operates at a standard voltage of 120 volts.

For use with 4-pin socket lamps.

Light output comparable to a 100 watt incandescent bulb. Not compatible with Verilux.

Uses 27 watts.

Average Lifespan: 10,000 hours

💡The Dysmio Lighting Medium Bi-Pin Base T8 Straight Tube Light is a product designed for lighting up the whole room with its cool white light. The Product comes with a Color Rendering Index of 60 which is crisp and comfortable for the eyes, setting a calm tone to the room with the flick of a switch.

💡The product is long-lasting. When an average incandescent has a life of just 1000 hours the Dysmio Lighting Medium Bi-Pin Base T8 Straight Tube Light shines bright for an average of 7500 hours which is more than 7 times than that of the normal incandescent.

💡The product is very energy efficient. Consuming just 15Watts of power the Dysmio Lighting Medium Bi-Pin Base T8 Straight Tube Light has a light output of 825 Lumen which is impressive and efficient use of power.

Elegantly crafted the Ciata T9 Circline Ceiling tube light bulb is a perfect choice for providing lamp cool white lighting to ceiling fixtures and any commercial space in which it is installed. Fluorescent tube light bulb produces a lamp cool white light creating a comfortable illumination.

Product specifications and technical details constitute the following Width: 12.10inch, Height: 1.30inch, Depth: 12.30inch, Diameter: 1.125inch. The finish of the bulb is frosted and the color is lamp cool white light.

The Ciata T9 Circline cool white fluorescent light bulb is an excellent choice for providing lamp cool white light for a wide range of commercial areas like offices, malls, restaurants, service stations and shopping centers and can also be used in ceiling fixtures in households.

STANDARD 4-PIN PLUG-IN: These bulbs have a G24Q-3 4 pin plug in base that make the installation effortless. Simply install the bulb directly into a compatible base accessory or socket. Our bulbs are the smart choice for replacements of canister light bulbs, wall sconces, chandeliers and other compatible fixtures in your business.

COMPACT LIGHTING: The bulb temperature of GoodBulb’s CFL lights give off a Daylight color that makes these bulbs perfect for any common area or work space. Our compact fluorescent bulbs emit a pure white light that is able to easily brighten your office space, lobby, hotel, commercial retail space, or any business.

ECO LIGHT BULBS: Goodbulb’s Compact Fluorescent Lights utilize only 26 watts of energy while producing 1800 Lumens. These long-lasting lightbulbs and were made as a replacement for similar incandescent bulbs making them perfect energy saver light bulbs. Save up to 70% in energy costs compared to similar light output incandescent lamps.

PLC18/4P T4 Warm White Color 4 Pin Base Compact Fluorescent Light Bulb

1200 lumens Light Output, 18 watts Energy Used, 12,000 hours Average Lifetime

4-Pin (GX24q-2) Base Type

This replacement Lamp is 100% compatible to use with Panasonic Ventilation Fans

Wattage: 18 Life Hours: 10,000

Color: 3500K Bulb Shape: T4

WATTAGE: 32 Watts

COLOR TEMPERATURE: 4100K (Cool White)

LIGHT OUTPUT: 2800 Lumens

PLC18/4P T4 Warm White Color 4 Pin Base Compact Fluorescent Light Bulb

1200 lumens Light Output, 18 watts Energy Used, 10,000 hours Average Lifetime

4-Pin (GX24q-2) Base Type

Color: Neutral White

Color Temperature: 3500K

Lumens: 1825

ENERGY SAVING: Consuming just 27 Watts of power the Light bulb emits light of brightness 1500 lumens. The replacement light bulb is approximately equivalent to 100-Watt incandescent bulbs. The low power consumption helps reduce the energy bill and makes the product an economically wise choice as well.

COMFORTABLE FOR EYES: The Light bulbs come in a CRI of 80. Not too harsh, the light can be used in multiple spaces thanks to the crisp color rendering index used. Perfect to be used in a setting where a Large Dome of light is proposed.

LONG LIFE: The Average life on an Incandescent is estimated to be 1000-2000 hrs. The Dysmio FML comes with an average life of 10000 hrs. which is 5 times the Life of an Incandescent. Choosing Dysmio will save money not just on energy bills but also on Replacement light Bulbs.

💡 WHAT YOU GET - Purchasing our product comes with a 1 Pack - 16” L x 1.25” W, 40 watt FC16T9 Fluorescent Circular Light Bulb Replacement. It is equipped with a G10Q-4 4-pin base that fits well with lighting fixtures that have the same bulb requirements.

💡 BRIGHTER AND LIVELIER SPACE - This 16 inch light bulb radiates 2350 lumens of light and 6500K daylight color temperature. This lighting is perfect for you if you're looking for your space to appear cleaner and modern.

💡 IDEAL FOR DIFFERENT LOCATIONS - Our T9 circline fluorescent lamp replacement is suitable for ceiling lamp fixtures in areas where a lot of work is being done. We recommend you place this FC16T9 CW bulb in your bathroom, kitchen, laundry room, garage, and workstations.

ELEGANT DESIGN: Ciata Lighting 4-Pin Compact Fluorescent Plug-in Lamp with its characteristic style and built-to-last life technology is designed to provide excellent brightness and lighting to your indoor package fixtures. The Indoor Lamp has been manufactured specifically for lighting fixtures and will work only with the specific external electronic ballast it is designed for.

GENERAL FEATURES: Featuring a Compact Fluorescent technology that lasts more than incandescent bulbs, Ciata Fluorescent lamp uses 27 Watts of energy and has a large lamp hour of 10000 Hrs respectively. The overall life of the fluorescent lamp is 9.1 years (based on 3-hour use/day) and fits a GX10Q-4 socket.

DIMENSIONS: Product specifications and technical details constitute a Maximum Overall Length (MOL) of 5.43 inches. Other dimensions constitute the following- Width: 0.9 inches, Height: 5.75 inches, Depth: 0 inches and features a Diameter of 0.62 inches respectively.

18 Watts of energy

1150 Lumens of brightness

3500 Kelvin color temperature

14 Watts T5

F14T5/WW

22" Maximum Overall Length

This Philips 13-watt Soft White Fluorescent light bulb brightens laundry rooms, bathrooms, kitchens, and offices.

Versatile for multiple applications, this 2700-Kelvin Fluorescent bulb is suitable for indoor, commercial, and residential use and may be used in surface-mounted down light fixtures and recessed cans.

Features a 4-Pin G24Q-1 Base. Low-mercury design creates a smaller environmental footprint.

FML 65 watt, Natural Day Light 6500K

Average Life: 10,000 hours

Feit Item # 06565

Compatible with Conair makeup mirror

4 pin connector (pins face INSIDE the bulb)

T4 - 12W bulb | 6500K Daylight Colour Temperature Kevin.

Produces A Comfortable 3500K Of Neutral White Light With A Color Render Index Of 80

Employs 26 Watts Of Energy While Emitting A Vivid 1560 Lumens Of Visible Light

Equipped With A 4 Pin G24Q-3 Base That Is Compatible With Electronic Ballasts Fitted With A G24Q-3 Socket

Lumens: 1800

Base Type: GX24q-3

Life Hours: 12,000

24 Watt, 1800 Lumens, 80 CRI

10,000 Hours Average Lamp Life

4-Pin 2G11 Base

PL13/2p Cool White Color 4 Pin Base Compact Fluorescent Light Bulb

800 lumens Light Output, 13 watts Energy Used, 10,000 hours Average Lifetime

2-Pin (GX23) Base Type