The 9 best hot tub filter replacements of 2025

💦【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!

SPECIFICATIONS: Length: 13 5/16”; Outside Diameter: 5”; Top Hole: 2 1/8” Open; Bottom Hole: 2 1/8” Open; 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: POOLPURE Pool and Spa filter has been rigorously tested and certified by IAPMO against NSF/ANSI 50, ensuring safe material usage. With a precision of 50 microns, our filter effectively removes hair, leaves, dust, sediment, sand, and other fine particles.

POWERFUL FILTRATION CAPACITY: Our 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.

EASY MAINTENANCE: The uniform and high-performing trilobal fabric ensures effortless stain capture and release, simplifying the cleaning process. For optimal performance, it's recommended to clean the cartridges monthly, depending on usage.

【PERFECT COMPATIBILITY】PLF6CH-940 Spa Filter is ONLY compatible with the models listed below and does NOT fit any other models: Pleatco PWW50P3, Unicel 6CH-940, Filbur FC-0359, Waterway Plastics 817-0050, 25252, 378902, 03FIL1400, HTF0245RT, Aladdin 14510, Baleen AK-9019, Darlly 60401. Part NO.: PLE-051-9193, SD-00031, PLE-051-9194. Please confirm the model before placing an order! The manufacturer’s name &part number have been used for reference purposes only. Beckacher is an independent brand.

【SPECIFICATIONS】Precise dimensional measurements make this product easy to install ：Length: 8"; Outside Diameter: 6"; Top: Circular Handle; Bottom: 1 1/2" SAE thread ; Filtration Area: 50 sq. ft; Filter Material: Trilobal Filtration Fabric.With its user-friendly design, this PLFPWW50P3 pool filter is easy to install and maintain, saving you time and effort on upkeep. Simply screw it in place and enjoy hassle-free spa maintenance.

【EFFICIENT FILTRATION TECHNOLOGY - TRILOBAL MEDIA】Trilobal Media micro-pore design efficiently captures par ticles, ensuring your pool water is free from impurities and debris. Innovative "Dirt-Lock" technology improves filtration performance and effectively removes hair, leaves, dust, sediment, sand, etc.

【WASHABLE & REUSABLE】Introducing our 6CH-940 hot tub filters replacements part crafted from easy-to-clean and durable materials, ensuring longevity and effortless maintenance. Designed for optimal performance, we recommend cleaning your spa filter every two weeks to maximize spa and hot tub efficiency while safeguarding your health. A gentle reminder: to prevent corrosion, always remove the filter before cleaning! Provide the safest swimming environment possible and promote better health!

【RISK-FREE SHOPPING】6CH-940 hot tub filter replacement is made of premium quality material, supports 90 DAYS return and exchange.High quality,good price,high speed Amazon official logistics.We promise to ensure your absolute satisfaction with every purchase.If you have any quality problem about the 6CH-940 filter replacement during warranty period, please contact customer service in time. We will try our best to solve the problem. Customer satisfaction is our tireless pursuit！

Compatible Model: Type VI Spa and Hot Tub Filter Replacement Cartridge compatible with Coleman SaluSpa filter, Lay-Z-Spa, Intex and other inflatable hot tub filter - Fits all Spa Models Requiring Type VI Filters.

Perfect Fit: Our type VI SPA filters measure 4.1” x 3.1”. You will get 12 premium type VI SPA filters and excellent after-sales service. Replacement cartridge for SaluSpa hot tubs helps you keep your spa water clean and pristine. Spa filter Type VI Compatible with Coleman Type VI filter cartridges.

Easy to Clean: Our type VI replacement Spa filters feature extra-durable plastic and quality 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.

High Filtration Performance: Premium quality 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.

2 Years Warranty: If you are not satisfied with our 12 pack Type VI hot tub filter received, you can contact our customer-service staff at any time. We will response you within 24 hours. You will get 2 years warranty and 7/24 hours customer service.

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. 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.

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

【Certified Quality & Safety】 POOLPURE Pool and Spa filters proudly carry the NSF/ANSI 50 certification, having been rigorously tested and certified by IAPMO. Trust in POOLPURE to provide crystal-clear, purified water, enhancing your overall pool or spa experience. Dive into unmatched relaxation.

【Specifications】Length: 7 5/8"; Outside Diameter: 6"; Top: Handle; Bottom: 1 1/2" sae thread; Filtration Area: 50 Sq.ft; Filter Material: Trilobal Filtration Fabric.

【Compatible Models】PLFPWW50P3 Pool Filter is compatible with Unicel 6CH-940, 817-0050, Filbur FC-0359, 25252, 378902, 03FIL1400. ★NOTE: This is a compatible replacement. Original manufacturers' names and part numbers are for reference only. POOLPURE stands as an independent brand.

【Superior Filtration】 Our innovative "Dirt-Locking" technology ensures enhanced contaminant capture compared to standard fabrics. Efficiently filter out hair, leaves, dust, sediment, sand, and more for a pristine pool & Spa experience.

【Durable & Cost-Effective】Featuring a unique Trilobal Filtration Fabric Structure, our filter excels in capturing a large volume of contaminants. It's also designed for easy cleaning and maintenance. With proper care, expect a service life of 1-2 years. We're dedicated to offering top-notch quality at an affordable price.

COMPATIBLE MODEL: Type VI Spa and Hot Tub Filter Replacement Cartridge compatible with Lay-Z-Spa, for SUNSET FILTERS VI, for Volca Spares Size VI, for POOLPURE PLF-INTV1 Spa Filter, compatible with Coleman SaluSpa 90352E, 58323E, 58324 Filter Pump. - Fits all Spa Models Requiring Type VI Filters.

POWERFUL FILTRATION PERFORMANCE: Innovated "Dirt-Locking" technology makes 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 and spa.

TYPE VI SPA FILTER: Replacement Filter Cartridges Size : Outer diameter 104mm(4.1inch), inner diameter 52mm(2inch), height 80mm(3.1inch). Spa filter Type VI Compatible with Coleman Type VI filter cartridges.

EASY TO CLEAN: Uniformity and high-performance trilobal fabric make it easier to capture and release stains, so it’s easy for you to wash the filter after use. It is recommended that you replace cartridges every 2 weeks to maximize your spa's performance.

AFTER-SALES SERVICE: If you have any questions about the product, please contact our customer service immediately to solve the problem. Warm Tips To avoid corrosion, please take the filter out before cleaning with disinfectant!

Superior Filtration: Crafted with durable Dacron paper for efficient water purification

Easy Cleaning: Designed for simple weekly cleaning and monthly replacement

Universal Compatibility: Suitable for all Intex PureSpa models

Multi-Pack Convenience: Includes 6 filters for extended use

Authentic Replacement: Genuine Intex Type S1 cartridges for optimal performance