Best Hot Tubs Pool Filter Cartridges in 2026
Daisy
Last Updated: Jul 30, 2026
Daisy
Last Updated: Jul 30, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Spreetail | 9.94 | ❌ | ❌ | ❌ |
Genuine Index type S1 filter cartridges
A pair of S1 cartridge filters are sure to keep your pure spa jet massage water clean and fresh
It is made with easy-to-clean, heavy duty Dacron paper, for the ultimate filtration
For maximum efficiency, clean cartridges each week and replace at least once a month
Manufacturer item : 29001E
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Outdoor Supply Inc. | 9.63 | ❌ | ❌ | ❌ |
Premium type VI filter cartridge replacement is compatible with pumps for SaluSpa hot tubs
Easy to clean design allows these filters to last longer than other replacements, eliminating frequent purchases
Replacement cartridge for SaluSpa hot tubs helps you keep your spa water clean and pristine
Shrink wrapped with insert card; Includes 2 filter cartridges; Model number: 60311E
Depth: 4.20 inches; Width: 4.20 inches; Height: 3.10 inches; Diameter: 4.20 inches; Dimensions (L x W x H): 4.2 x 4.2 x 3.1 inches; Quantity: 2
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Sunset Outfitters | 8.91 | ✅ | ✅ | ✅ |
Sunset Filters Type VI Spa and Hot Tub Filter Replacement Cartridge compatible with Coleman SaluSpa filter , Lay-Z-Spa, Bestway, Intex and other inflatable hot tub filter - Fits all Spa Models Requiring Type VI Filters.
A Perfect Fit: Our type VI SPA filters measure 4.1” x 3.1” and are conveniently sold in 4 and 6 packs. For best results, clean your Spa filter cartridge replacement often and replace every 2–3 weeks during heavy usage.
High Filtration Performance: Premium quality Dacron fabric collects hair, leaves, dust, sediment, sand, etc is easy to clean and replace. The hot tub filter cartridge is installed inside the filter pump and captures dirt efficiently and is reusable.
Easy To Clean: Our type VI replacement Spa filters feature extra-durable plastic and quality Dacron fiber pleats. Our Spa filters for hot tubs are so easy to clean, so you can reuse them again and again. Enjoy clean leisure time in your pool.
It is recommended to change the spa filter regularly to maintain filtration efficiency, and to keep the water fresh and clean by adding the filter to the hot tub filter housing.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Process Products | 9.92 | ✅ | ✅ | ✅ |
50 square foot filter media replacement cartridge ensures your spa works continuously all season long
Tightly-pleated filter media easily removes dirt and debris to keep your pump running optimally and your water crystal clear
Replacing Pleatco PPM50SC-F2M and Unicel C-5303, the unique cartridges are compatible with Marquis spa models 20041, 20042, and C-5303
Features a 5.18-inch diameter that provides a snug fit to catch all the dirt and debris that passes through your pump
Specs: Top hole: Bar handle; Bottom hole: 2-inch male thread/MPT; Pleat count: 197; Diameter: 5.18 inches; Dimensions (L x W x H): 5.18 x 5.18 x 12.5 inches
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Spreetail | 9.94 | ❌ | ❌ | ❌ |
50 square foot filter media replacement cartridge ensures your spa works continuously all season long
Tightly-pleated filter media easily removes dirt and debris to keep your pump running optimally and your water crystal clear
Replacing Pleatco PPM50SC-F2M and Unicel C-5303, the unique cartridges are compatible with Marquis spa models 20041, 20042, and C-5303
Features a 7-inch diameter that provides a snug fit to catch all the dirt and debris that passes through your pump
Specs: Type: Unicel C-7656 cartridge replacement; Works for Hayward Star Clear C500 and CX500-RE; Diameter: 7 inches; Top hole: 3-inch opening; Pleat count: 108
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Health Number 1 | 9.96 | ✅ | ✅ | ✅ |
【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique leisure time.
【Compatible Models】Length: 6 5/8", Outer Dimension: 4 15/16"; Top: Closed; Bottom: 1 1/2" MPT. PLF4CH-23 Pool Filter compatible Unicel 4CH-23, Filbur FC-2400, Aladdin 12536, Baleen AK-90032, 17-175-1961. NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. We are committed to providing the best quality at good price.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Spreetail | 9.94 | ❌ | ❌ | ❌ |
2 New *Unicel* 4CH 935 Replacement Spa Filter Cartridges
Industry's most complete line of replacement filter elements
For use with:
Master Spas
Nordic Hot Tubs
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| MSNECY | 7.17 | ✅ | ✅ | ✅ |
【Perfect Replacement】Designed for all Intex PureSpa models: 28453E, 28421E, 28423E, 28403E, 28407E, 28443E and 28413E.
【Premium Quality】The type S1 spa filters cartridge for pool adopts a densely trilobal structure fabric that captures 3x more contaminants than regular fabric. sturdy end caps are not easily deformed and are highly resistant to Chlorine commonly found in pool. Open polypropylene flow core supports the filter fabric and maximizes water flow, greatly reduces the time and frequency of your filter cleaning.
【Efficient Filtration】The ultra-fine sturdy trilobal filter paper grabs sand, sediment, hair and leaves more than regular fabric. Allowing for greater capacity and debris reduction.
【Hot Tub Filter Replacement Cartridges】For best results, clean your Type S1 Spa filter cartridge replacement often and replace it every 2 weeks during heavy usage. Our type S1 SPA filters measure 4.1” x 2.8” and are conveniently sold in 12 and 16 packs.
【Powerful filtering performance】The thick paper this replacement filter cartridge is constructed of has tight pleats for superior filtration. Filters 1,500 gallons of pool water per hour, ensuring you get maximal results.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Health Number 1 | 9.96 | ✅ | ✅ | ✅ |
【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique SPA time.
【Compatible Models】 Length: 4 5/8"; Outside Diameter: 5"; Top: Open Hole 2 1/8"; Bottom: Open Hole 2 1/8". PLFPRB17.5SF-PAIR Spa Filter compatible PRB17.5SF-PAIR, Unicel C-4401RA, SD-00199, Canada M40352, 3005820, FL1006, 17-175-1610, 4902-107. NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
【Easy Cleaning】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your spa and hot tub.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1-2 years when proper maintenance is performed. We are committed to providing the best quality at good price.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Health Number 1 | 9.96 | ✅ | ✅ | ✅ |
【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique leisure time.
【Compatible Models】Length: 9 3/4", Outer Diameter: Oval 6-1/4"x5-1/4", Top: 3" open; Bottom: 4 1/8"x3" Open Oval. PLFPDM30 Pool Filter compatible PDM 30, 461269. NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. We are committed to providing the best quality at good price.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Health Number 1 | 9.96 | ✅ | ✅ | ✅ |
【NSF/ANSI 50 Certified】 Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique leisure time.
【Compatible Models】Length: 26", Outer Dimension: 7", Top: 3" open; Bottom: 4" open. PLESL105 Pool Filter compatible OPT-420-4PK, Jacuzzi PLESL105, J-CQ420, QL105. NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand.
【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. We are committed to providing the best quality at good price.
【100% Money-Back Guarantee】Six-Months Return Policy Guaranteed! Product Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Doheny's Pool Supplies Fast | 9.86 | ❌ | ❌ | ❌ |
☑️Direct Spa Filter Cartridge Replacement for: C-7367, FC-3059, 1561-00. Also works with the following: Dimension One 75, @Home Hot Tubs (open w/twist lock)
☑️Specifications: DIAMETER: 7.25", 184.15 mm, LENGTH: 10.625", 269.875 mm, TOP HOLE SIZE: Castle Top", mm, BOTTOM HOLE SIZE: Special Lock Bottom", mm, MEDIA SQUARE FEET: 75, MEDIA WEIGHT: 3 oz.
☑️Featuring: Reinforced Center Cores, Super-Bond Bands, Break Resistant End Caps and Pleatco Smart Tracker Time Stamping
☑️PleatcoPure: Free Flow Core for Maximum Water Flow Paired with Pleatco Advanced Filtration 3 Oz. Fabrics that are Uniformly Point Bonded with the Highest Fiber Count in the Industry
☑️US Designed and Engineered to provide the cleanest water filtration possible for the health, safety and happiness of every pool and spa owner
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Poolpure | 4 |
| Unicel | 3 |
| Bestway | 1 |
| Intex | 1 |
| Pleatco | 1 |
| Sunset Filters | 1 |
| Sxeiav | 1 |
We've carried out a comprehensive analysis of 15,736 reviews on pool filter cartridges hot tubs, using our selection criteria to identify the best options in the pools, hot tubs & supplies. Our findings reveal that most customers typically select pool filter cartridges hot tubs priced around $51.29, with top brands including filbur, in the swim, poolpure, guardian filtration products, filtren, spa depot, relxtime, hidreams and tier1 and zotee
Our team of expert editors reviewed these high-quality items and handpicked the top 12 pool filter cartridges hot tubs for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the pools, hot tubs & supplies category. These include in the swim pool supplies, health number 1, filterdeal, amazon.com, spa depot, relxtime, hiwu, discountfilterstore and zotee store and ondway .
We are dedicated to assisting our users in finding the right cartridges Products based on their needs, saving them considerable time when choosing which pool filter cartridges hot tubs to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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