Best Hot Tub Filter Cartridges

Peter | 08-02-2026

With so many Best Hot Tub Filter Cartridges brands on the market – from big names like Macaberry,Bestway,Volca Spares,POOLPURE,Beckacher,AmiBron to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best Hot Tub Filter Cartridges to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best Hot Tub Filter Cartridges is Macaberry Best Hot Tub Filter Cartridges, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Hot Tub Filter Cartridges options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Hot Tub Filter Cartridges tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E
Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E
Premium Pick
Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323,
Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323,
Budget Pick
Bestway SaluSpa Filter Cartridge (VI) 2-Pack | Compatible with All SaluSpa Inflatable Hot Tub and
Bestway SaluSpa Filter Cartridge (VI) 2-Pack | Compatible with All SaluSpa Inflatable Hot Tub and

Top 10 Best Hot Tub Filter Cartridges

We researched and compared the top products in the Best Hot Tub Filter Cartridges category to provide you with these recommendations.

1. Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E

Macaberry Type Ⅵ Hot Tub Spa Filter Replacement Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E
9.8

Macaberry

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  • 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.

2. Bestway SaluSpa Filter Cartridge (VI) 2-Pack | Compatible with All SaluSpa Inflatable Hot Tub and

Bestway SaluSpa Filter Cartridge (VI) 2-Pack | Compatible with All SaluSpa Inflatable Hot Tub and
8.9

Bestway

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  • 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

3. Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323,

Volca Spares Hot Tub Filter Cartridge Size VI for Bestway, Lay-Z-Spa, Coleman SaluSpa 90352E 58323,
9.1

Volca Spares

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  • Provides clean and clear water by introducing our Type VI filter cartridge
  • D.I.M: 4.1 x 3.1", for all spa models using Type VI filters, compatible with Bestway, Lay-Z-Spa, Coleman and SaluSpa
  • Premium quality dacron fabric collects hair, leaves, dust, sediment, sand, etc; easy to clean and replace
  • For best results, clean filter cartridges often and replace every few weeks if used heavily
  • 100% satisfaction products and worry-free customer service from Volca Spares

4. POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375,

POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375,
8.9

Poolpure

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  • Specifications: Length: 13 5/16; Outside Diameter: 5; Top Hole: 2 1/8; Bottom Hole: 2 1/8; Filtration Area: 25 Sq.ft; Filter Material: Trilobal Filtration Fabric.
  • Compatible Models: PLFPRB25-IN Pool Filter is compatible with PRB25-IN, Unicel C-4326, Filbur FC-2375, FC-2370, SD-00196, 303909, M-4326, 8172500, R173429. NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.
  • NSF/ANSI 50 Certified Safety: PoolPure pool and spa filter is tested and certified by IAPMO against NSF/ANSI 50 standards for material safety. All components are proven safe for long-term water exposure, ensuring no harmful substances are released. Protect your familys health and enjoy cleaner, safer pool and spa water.
  • Trilobal Filtration Fabric Design: The innovative trilobal fiber structure provides three times the adsorption surface area compared to conventional filter fabrics. It captures more dirt and sediment while maintaining consistent water clarity, even under frequent useso you can enjoy crystal-clear water all day long.
  • Patented Dirt-Locking Technology: Our exclusive dirt-locking structure efficiently captures debris and makes cleaning effortless. During rinsing, trapped dirt is released easily and thoroughly. The filter is simple to rinse, reusable, and significantly reduces both maintenance time and costs.
  • 50-Micron Fine Filtration: Upgraded with a 50-micron high-efficiency filtration layer, it effectively removes up to 99% of fine particles such as hair, leaves, dust, and sand. It keeps pool water sparkling clear for longer, reducing the need for frequent water changes and chemical usesaving you both time and money.
  • Durable Heavy-Duty Construction: Made with 4 oz. thickened polyester filter fabric, reinforced ABS end caps, and a strengthened integrated core, this filter lasts over 30% longer than standard cartridges. It reduces replacement frequency and long-term maintenance costs, delivering greater value over time.

5. Beckacher Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement,

Beckacher Hot Tub Filter Compatible with All RELXTIME Hot Tub, Pool Filters, Spa Filter Replacement,
8.7

Beckacher

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  • 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.

6. AmiBron PWK30 Hot Springs Spa Filters, Compatible for Watkins 31489, Unicel C-6430, Filbur FC-3915,

AmiBron PWK30 Hot Springs Spa Filters, Compatible for Watkins 31489, Unicel C-6430, Filbur FC-3915,
8.5

Amibron

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  • PLACEMENT MODELSA6430 Filter compatible with Watkins 31489, Pleatco PWK30, Unicel C-6430, Aladdin 13004, 13004ECO, PLE-051-9186, PLE-051-9670, SD-00328, SD-00704, SD-00703, 46200. Length: 10 1/2; Outside Diameter: 6; Top /Bottom Opening: 1 15/16; Filtration Area: 30 sq. ft. NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. AmiBron is an independent brand.
  • NSF CERTIFIEDAmiBron spa&pool filter with NSF certified safe filter materials provides you with clean, fresh and clear water. Only select quality filters for your family to ensure the safety, health and happiness of your loved ones.
  • EASY TO CLEANThe 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.
  • 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 better quality at good price.
  • AMIBRON SLOGANAmiBron Protect Your Health.

7. Foifatt PWW35L Hot Tub Filter Cartridge Filter Compatible with Unicel 4CH-935 Waterway 817-4035

Foifatt PWW35L Hot Tub Filter Cartridge Filter Compatible with Unicel 4CH-935 Waterway 817-4035
8.3

Foifatt

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  • Replacement ModelsCompatible with PWW35L Unicel 4CH-935 Waterway 817-4035 Teleweir 35 SF, SD-01310, SD-01235, PDY35P3, PDC580-AFS, PAS-1612, PAS-1613, PWW35L-M.
  • MaterialPolyester material, high temperature resistance. The service life is longer than ordinary cartridges filter.
  • Strong Filtering PerformanceHigh-performance, unique trilobal filtration fabric, fracture resistance makes the wrinkles clear, can be clearly and evenly separated, reducing the number of times the filter is cleaned and easy to clean.
  • Clean and UseEasy to clean and easy to replace, making this filter an excellent choice for swimming pools or spas.
  • Widely ApplicationCompatible with most indoor and outdoor swimming pools, hot tubs and spas.Non-original. The part/product is not sponsored or endorsed by, or affiliated with the brands it fit, including for Unicel / Waterway / Teleweir.

8. PACETAP 1 1/2" SAE Thread Screw in Spa Hot Tub Filter Replacement 2 Pack Compatible with Pleatco

  • Detailed Specifications-Length: 8 1/4''; Outside Diameter: 6''; Bottom: 1 1/2" SAE thread; Top: Circular Handle; Filtration Area: 45 sq. ft. Please confirm the detailed size before purchasing!
  • Compatible Models-The hot tub filter is Compatible with Pleatco PWW50P3 (NOT PWW50P4), FC-0359, Unicel 6CH-940, Filbur FC-0359, Waterways 817-0050 ect..
  • Strong Filtering Effect-The filter is made of high-performance trilobal fiber, which makes the capacity higher than ordinary point-bonded fabrics, improves the filtration efficiency and makes the water filtration more thoroughly. He can effectively remove hair, leaves, dust, sediment, sand, etc. from the water, allowing you to enjoy a pleasant time in clean waters!
  • Easy to Clean-Pool filters are very easy to clean, just rinse them with clean water and they will look new and reused.
  • Long Service Life-Each filter has a service life of more than 12 months, if there is any quality problem within 6 months, we promise to return it! If you have any questions, please do not hesitate to email us, we will provide you with the most satisfactory service!

9. ROYOR Hot Tub Silver Ion Cartridge - Spa Mineral Sticks for Hot Tub, Spa Silver Ion Cartridge, 2

  • Superior Filtration System: The spa mineral filter stick multi-layer filtration makes water more healthy and can effectively filter out a variety of impurities, chlorine. A difference you can see, smell and feel, spa mineral cartridge improves water quality.
  • Easy Installation& Low Maintenance: Easy to install and unaffected by heat,works with your existing flow rates Installation, just simply drop the spa stick into your existing filter and let the hot tub sticks do their work. The maintenance cost is extremely low, helpful to save your time and cost.
  • Premium Quality Materials: Superior high efficiency filter materials specifically for durability and cleanability, reinforced mineral cartridge stick can be used with cool, warm and hot water spa tubs.
  • Reduced Skin Irritation: The active ingredient of the silver ion cartridge is zinc. it helps reduces need for harsh chemicals; less skin irritation
  • Enhanced Bather Comfort: Making hot tub water filtration more thoroughly, ensure your spa time comfier and cozier, provide best spa service you expect and more than that.

10. Malaka Spa Replacement Filter FD2007 Compatible with PWW50L 4CH-949 FC-0172, Hot Tub Replacement

  • Length: 13 3/16" (34.7cm)
  • Outside Diameter: 5" (12.5cm)
  • Top: Handle
  • Thread: 2" Female SAE Thread(4.85cm)
  • Filtration Area: 50 sq.ft.

Peter

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