Top 10 Best hot tub filters in 2026

Last Updated - 6/18/2026

🏆Best Choice

Intex Recreation Corp

INTEX 29003E Type A Pool Filter Cartridge: For INTEX Filter Pumps – Easy-To-Clean – Dacron Paper – Efficient Filtration – Three Pack

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•✔ CONVENIENT MAINTENANCE – A must have cartridge to the INTEX Krystal Clear Cartridge Filter Pump, this filter cartridge is made with easy-to-clean Dacron paper for the ultimate filtration
•✔ FILTER PUMP COMPATIBILITY – For best use and results, the filter cartridge A by INTEX is compatible for filter pump models in of the following: 28603EG, 28637EG and 28635EG
•✔ ROUTINE USAGE – For maximum efficiency and results for your above ground pool, the recommendation is to replace cartridges every two weeks for a clean and happy pool
•✔ HYDROAERATION TECHNOLOGY – It's all in the bubbles; patented HydroAeration Technology by INTEX when using our filtration systems improves overall water circulation, clarity, and freshness in thousands of above ground pools
•✔ SAFETY, QUALITY and VALUE – Intex designs, builds, and tests all its products to the highest standards with safety the first order of business; our affordable and innovative products are built to last
•✔ CUSTOMER SATISFACTION – Our dedicated customer service team is available via phone, chat, or email to help with any questions you may have on use, installation, or service needs

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$23.68

$24.99

-5%

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Macaberry

Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323, Inflatable Hot Tub, Swimming Pool Pump Filter Type Ⅵ Cartridge, 12 Pack

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•PERFECT FIT: Type VI Spa and Hot Tub Filter Replacement Cartridge compatible with Coleman SaluSpa filter, Lay-Z-Spa and other inflatable hot tub filters.
•HIGHLY FILTRATION PERFORMANCE: Premium quality dacron fabric collects hair, leaves, dust, sediment, sand, etc; easy to clean and replace. The inflatable hot tub filter cartridge is installed inside the filter pump and captures dirt as it passes through the system.
•KEEP YOUR POOL CLEAN: Keep your pool safe and clean with a Type VI Swimming Pool Filter to protect and keep your pool clean for the summers to come!
•REPLACEMENT FILTER: For best results, clean your Type VI Spa filter cartridge replacement often and replace it every 2 weeks during heavy usage. Our type VI SPA filters measure 4.1” x 3.1” and are conveniently sold in 12 and 16 packs.
•Customer Service: If you have any questions about the Type VI Spa filter, please contact our customer service immediately to solve the problem. We want to ensure you have a clean, healthy and safe swimming pool.

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$29.99

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Bestway

Bestway SaluSpa Filter Cartridge (VI) | Compatible with All SaluSpa Inflatable Hot Tub and Spa Models, 2 Count (Pack of 1)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Your Spa's Lifeline: The Bestway premium type VI pool filter cartridge replacement is compatible with all SaluSpa inflatable hot tub and spa models
•Compact Design: Pool filter dimensions (L x W x H): 4.2"L x 4.2"W 3.1"H; Weight: 0.35 lbs; Crafted with durable materials to withstand seasonal changes and frequent use
•Easy-to-Clean: Hot tub and pool filter replacements eliminate the need for frequent purchases, providing a cost-effective and sustainable long-term solution
•User-Friendly Installation: Shrink wrapped with insert card; Hassle-free installation into the pump with a secure top closure; Simplified filter changes
•Spa Water Maintenance: Replacement cartridges for SaluSpa hot tubs help you keep your spa water clean and inviting spa experience for you, your family, and your friends

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$12.93

$14.99

-14%

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SXEIAV

SXEIAV Type vi spa Filter and hot tub Filter Replacement Cartridge for Coleman hot tub Filters, for Inflatable hot tub Filter (4 Pack)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Type vi spa filter and hot tub filter 】 Type vi spa filter and hot tub filter replacement cartridge for hot tub Filters is a part of your routine maintenance for your swimming pool or hot tub cleaning. Spa Filter Cartridges Size : Outer diameter 104mm(4.1inch), inner diameter 52mm(2inch), height 80mm(3.1inch). Type VI spa filter elements can suit for inflatable hot tub and for hot tub filter pump.
•【Premium Quality】 The type vi spa filters cartridge for pool adopts a densely trilobal structure fabric that captures 4x more contaminants than regular fabric. Type vi spa filter for inflatable hot tub assures you of safe and no-worry happy times.
•【Powerful Filtration Performance】 Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This Type vi spa filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool.
•【Type 6 filter Compatibility】 The type VI spa filter is compatible with inflatable, for spa FILTERS Type VI, for hot tub filters, for inflatable hot tub filter 90352E, 58323E, 58324 Filter Pump.
•【Replace or Clean】 Replace filter cartridge with a new one every two weeks for best results - Easy to clean when necessary, Scrub with a Cartridge Cleaner Tool, then wash under a strong water pressure to remove loose particles from the filter's fabric.

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$15.99

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Spa Depot

Spa Depot Power Soak Hot Tub & Pool Filter Cartridge Cleaner - 2 x 1 lb. Bottles

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Deep-Cleans pleated spa/pool filter cartridges
•Professional strength with enzymes
•2 x 1 lb. bottles
•Can't cause water foaming
•Economical to use

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$24.98

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POOLPURE

POOLPURE PRB35-IN Spa Filter Replaces Unicel C-4335, Guardian 409-219, Filbur FC-2385, 03FIL1300, 17-2482, 25393, 303557, 817-3501, R173431, 35 sq.ft, 5 X 9 Drop in Hot Tub Filter, 2 Pack

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【Certified Quality & Safety】 POOLPURE Pool and Spa filter proudly hold the NSF/ANSI 50 certification, tested and verified by IAPMO. Trust in POOLPURE to provide crystal-clear, purified water, enhancing your overall pool or spa experience. Dive into unmatched relaxation.
•【Specifications】Length: 9 1/4”; Outside Diameter: 5”; Top /Bottom Opening: 2 1/8”; Filtration Area: 35 sq. ft.; Filter Material: Trilobal Filtration Fabric.
•【Compatibility Details】Designed to fit models: Pleatco PRB35-IN, Unicel C-4335, Guardian 409-219, Aladdin 13501, SD-00198, Rainbow Dynamic 35, Waterway 35 In-line. ★NOTE: This is a compatible part. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.
•【Superior Filtration】Our innovative "Dirt-Locking" technology ensures that the fabric captures significantly more contaminants than standard filters. Efficiently remove hair, leaves, dust, sediment, sand, and more, ensuring a clean and refreshing spa and hot tub experience.
•【Effortless Cleaning】 The Trilobal Fabric Structure of the filter facilitates easy release of impurities during cleaning, ensuring the filter feels renewed after each wash. For optimal performance, it's recommended to clean the cartridges once a month.

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$38.99

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Beckacher

Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement, Filter Cartridges for Inflatable Hot Tubs Filtration, 4 Filter + 4 Filter Covers

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Compatible Model - Our Spa Hot Tub Filter Replacement is Compatible With All RELXTIME inflatable hot tub, spa pools.
•Longer Lasting Clean - Our spa filters are made of extra-durable plastic and trilobal filtration fabric that keeps the water cleaner than ordinary filter paper. Effective collection of dirt particles such as hair, leaves, dust, sediment, sand. Enjoy clean bathing and fun with your family and friends.
•Value Package - Including 4 x Spa Filter and 4 x Spa Filter Covers. It is recommended to change the spa filter regularly to maintain filtration efficiency, and replace it every 2-3 days during heavy usage. To ensure a constant replacement pool filter performance, clean your spa filter cartridge replacement before and after use.
•Great Filtration Performance - The unique trilobal filtration fabric offers an enhanced surface area, optimizing back pressure throughout your filtration system. This ensures consistently clean, fresh, and clear water for your pool or spa. A dense pleating structure provides a larger filtration area than the comment filters of the same size, making the filtration more efficient.
•Easy to Clean and Replace - This hot tub filter for RELXTIME inflatable hot tub can be cleaned very easily, simply remove the filter from the water inlet inside the spa, remove the cartridge, you can scrub the filter with a cartridge cleaner tool, and then wash it under a strong water pressure to remove loose particles from the filter's fabric.
•We Treasure Our Customers - If you have any questions about the spa filter for RELXTIME hot tub, please feel free to contact Beckacher customer service team, we'll definitely help you to solve your problem.

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$19.99

$23.99

-17%

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vkolim

Hot Tub Replacement Filter Cartridges - Compatible with All RELXTIME, ALEKO, Wejoy, Aquaspa Hot Tub More - Screw-in Spa Filters for Inflatable Hot Tubs & Massage Pools (2 Filters + 2 Filter Bags)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【Perfect Compatibility Guaranteed】Our Spa Hot Tub Filter Replacement is Compatible With All RELXTIME inflatable hot tub, spa pools, Note: All referenced manufacturers' names and part numbers are the trademarks of their respective owners. Mentioned for compatibility purposes only.
•【Trilobal Fabric Technology】Our screw-on hot tub filter is a game-changer for spa owners who demand crystal-clear water. The advanced trilobal fabric (3D pleated design) works overtime to trap even the tiniest particles—dirt, oils, and debris—while maximizing water flow for faster, more efficient cleaning.
•【Pro-Grade Hot Tub Filter Specs】:Top End Cap Style: Open Top, Bottom End Cap Style: Closed, Trilobal With an outer diameter of 3.9 inches, inner diameter of 2.4 inches, and height of 3.1 inches, It is recommended that you replace cartridges every 2 weeks to maximize your spa's performance.
•【Superior Long-Lasting Clean】:This spa filter outperforms standard filter paper, making it a breeze to maintain crystal-clear water. Dive into refreshing soaks and create memories with family and friends without the hassle of constant maintenance.
•【Hassle-Free Guarantee】:Your satisfaction is our first priority! Any problems with your order? Contact us anytime, we promise to solve the problem within 24 hours or give you a reliable solution.

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$12.99

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Intex

Intex 29011E Type S1 PureSpa Easy Set Pool Spa Hot Tub Filter Replacement Cartridges (6 Filters), Blue and White

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•KEEP POOL OR SPA FRESH: The S1 Cartridge Filter is sure to keep your PureSpa Jet Massage water clean and fresh
•MULTI PACK: 6-pack of Intex Type S1 filter cartridges
•ULTIMATE FILTRATION: Made with easy to clean, heavy duty Dacron paper for the ultimate filtration
•CAN BE CLEANED AND REUSED: For maximum efficiency, clean cartridges each week and replace once a month or sooner
•WORKS WITH MULTIPLE PURESPA MODELS: Works with all Intex PureSpa models including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E

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$25.34

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Nayciiy

Nayciiy Type VI Spa Hot Tub Filters Cartridge Inflatable Hot Tub and Other Type Spa Inflatable Filter Cartridge Accessories (2pcs)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Easy to clean: When necessary, scrub with the filter cartridge cleaning tool, and then wash under strong water pressure to remove loose particles. Can be washed very clean
•Product Size: The package includes two swimming pool filters, each with the size of Outside Ring Dia: 3.93 '', Inside Ring Dia: 1.96 '', Height: 3.15 ''
•Filtration: The inflatable hot tub filter can filter hair, leaves, dust, sediment, sand, etc. It can well protect the cleanness of the inflatable bathtub.
•Design: Type VI hydrotherapy filter element adopts dense structure fabric, which is dense enough to effectively grasp hair leaves, etc
•Tips: If you have any other questions, please consult us and we are happy to answer it for you

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$9.99

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