The 11 best spa filter cartridges of 2025

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.

SIZE -Length x diameter- 13.7 x 4.9 (inch) -Top Handle - Thread: 2 inch female SAE Thread

SIZE -Length x diameter- 34.7 x 12.5 (cm) -Top Handle - Thread: 4.85cm female SAE Thread

PLEASE CHECK THE SIZES BEFORE YOU BUY IT

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

【SPECIFICATIONS】Length: 13 5/16"; Outside Diameter: 5"; Top Opening: 2 1/8"; Bottom Opening: 2 1/8"; Material Area: 50 Sq.ft; Filter Material: Trilobal Filtration Fabric.

【COMPATIBLE MODELS】PLFPRB50-IN filter compatible PRB50-IN, Unicel C-4950, Aladdin 15002, 03FIL1600,817-5000, 435-0037, R173434, 06-0012-12, SD-00201, PLE-051-0088, 6540-471, Jacuzzi J210/J220/J235/J245/J275 Hot Tub Filter.NOTE: This is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. POOLPURE is an independent brand.

【NSF/ANSI 50 CERTIFIED】Poolpure Pool and Spa filter is tested and certified by IAPMO against NSF/ANSI 50 for safe material. The filter fabric with a precision of 50 microns can remove hair, leaves, dust, sediment, sand and other fine particles.

【POWERFUL DIRT HOLDING CAPACITY】The unique trilobal filtration fabric has a greater effective surface area, which can increase back press- sure throughout your entire filtration system, and provide you with clean, fresh and clear water.

【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 clean the cartridges every month dependon usage to maximize your pool's performance.

Replacement Pool & Spa Filter: C-4950 filter cartridge features 50 square feet (212 pleats) of 3-ounce basis weight media that catches debris and particles down to an average of 20 microns in size, keeping your hot tub water clear

Optimal Debris Capture: Filter pool cartridge has sharp, uniform pleat folds that maximize water flow, minimize pressure loss, and allow full use of the pleat surface to hold more debris

Filter Media: Constructed with 100-percent polyester Reemay material that balances dirt-holding capacity, cleanability, and durability with excellent chemical resistance properties

End Cap Features: End cap design includes a 2-1/8-inch ID and an open configuration for easy cartridge removal and replacement; Durable plastic resists damage from chemicals; OD: 4-15/16 inches, Length: 13-5/16 inches

Pool and Spa Fitment: Compatible with Bullfrog Spas, Cal Spas, Coleman Spas, Dynasty Spas, Pentair Pool Products, Rainbow Plastics, Sundance Spas, Sunrise Spas, Waterway Plastics, Custom Molded Products, Beachcomber, Artesian Spas, Jacuzzi Premium, Maax Spas of AZ, Caldera Spas, and more

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.

【SIZE】 Length 13 5/16''; Out diameter 5''; Bottom hole 2-1/8''; Top hole 2-1/18''; Filtration Area: 25 sq. ft.

【REPLACEMENT MODELS】Compatible with C-4326, FC-2375, PRB25-IN, 303909, M-4326, 8172500, R173429, 5X13 Drop in hot tub filter. Note: this is a compatible spare part. The manufacturer’s name and part number have been used for reference purposes only. CRYSPOOL is an independent brand.

【QUALIFIED MATERIAL】 The advanced material of trilobal fibers is utilized. Cutting-edge technologies make the capacity higher than common point-bond fabric. It makes water process more thoroughly and service life longer.

【EASY CLEANING】 The Improved Trilobal Fabric Filter Structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance.

【GOOD CHOICE FOR FILTERS】With our qualified material, end caps as well as pleats, the filters are easy to clean, strong to filter, sturdy to hold in position. If cleaned regularly more often, its service life can be largely enhanced, the water usage will also be largely minimized.

Product Sizes: φ6 x 8-1/16 inch

Product Sizes: φ15x20.5 cm

Top: Bar handle.

Inner Diameter:1-1/2 inch (3.8cm) SAE thread coarse thread (Not MPT thread/Not fine thread).

Include 2-Pack

COMPATIBILITY: The type VI spa filter is compatible with Lay-Z-Spa, SUNSET FILTERS VI, Volca Spares Size VI, POOLPURE PLF-INTV1 Spa Filter and Coleman SaluSpa 90352E, 58323E, 58323 Filter Pump.

VALUE PACKAGE: Including 12 Premium Quality type VI spa filters, Length: 3.1”, Outside Diameter: 4.2”, Top: 2" open, Bottom: 2" open.

PREMIUM QUALITY: The type VI spa filters cartridge for the pool adopts a densely trilobal structure fabric that captures 3x more contaminants than regular fabric. VI filters for inflatable hot tub assure you of safe and no-worry happy times.

GREAT FILTRATION PERFORMANCE: This VI filter can effectively reduce hair, leaves, dust, sediment, sand, rust and large particles. The pool filter VI is committed to keeping your pool water crystal clear and give your swimming pool pump its best performance. A dense pleating structure provides a larger filtration area than the comment filters of the same size and makes the filtration higher efficient.

Easy to clean: It is recommended that you replace the type VI spa filter cartridges every 2 weeks to maximize your spa's performance. Warm Tips: To avoid corrosion, please take the filter out before cleaning with disinfectant.

Natural Spa Experience: The nature spa mineral stick can automatically add trace minerals to the hot springs, reducing impurities in the hot springs to create clearer and cleaner water, making you feel as comfortable as you are in a pure natural hot spring!

Extend Life: This silver nitrate stick can extend the life of the spa, keep the crystal clean, keep your spa sparkling clean and fragrant, and make the guest's spa experience unparalleled!

Exist for High-cost Performance: This hot springs silver ion stick is based on a product that was born through market research and customer needs. It has a maintenance time of up to 4 months, and the maintenance cost is extremely low. It can be used in conjunction with your existing filter. Just put your hot tub stick in the filter. You can enjoy a carefree spa experience for 4 months!

Easy to Install: This silver ion cartridge hot springs stick is equipped with a complete manual. The installation can be completed quickly according to the steps of the manual and is not affected by heat. It can be installed at the existing flow rate. Just put the hydrotherapy rod into the existing filter, and then Let the hot tub stick work

Applicability: The minimum required filter length for the spa hot tub filter mineral rod parts is about 6.5 inches, and the minimum filter hole diameter is 1-1/4 inches; suitable for spas and hot tubs up to 500 gallons / 2000L

Compatible Models: Replacement for Pleatco PJW60TL-OT-F2S, PJW60TL, Jacuzzi J300 6541-383, J400, Filbur FC-2715, Unicel 6CH-961, SD-00641 filtration cartridges

Keep the Water Clean: The pleated fabric filter maximizes contact between filter media, allowing for greater capacity and reduction. The durable & washable 60 sq ft fabric has tight porosity and a dense weave which sifts out unwanted hair, leaves, dust, sediment, sand, etc. with a high strength, high flow design.

Fit and Dimensions: The cartridge is designed for systems that use a 6 3/4 Inch (Outside diameter) x 15 1/2 Inch (Length) spa or pool filter.

Easy to Install & Maintain: Fits and performs just as well as the original equipment manufacturer product. It is recommended that you change your pool or spa filter when the pressure gauge on the filter tank reaches 8 psi above the pressure recorded when first installed.

Quality Standards: Tier1 filters pass rigid design, manufacturing, and filament testing delivering a product that is built for performance and priced for value