11 best spa filter cartridges of 2025 - Reviews by New York Garden

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The 11 best spa filter cartridges of 2025

Updated: May, 08 2025

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In this October 2025 review, we explore the 11 best spa filter cartridges options available. Our expert analysis, led by Antonio Smitham, ensures you find the perfect fit.

12 Pack Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323 90427E

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best spa filter cartridges

12 Pack Type VI Hot Tub Filter Cartridge Compatible with Lay-Z-Spa, Coleman SaluSpa 90352E 58323 90427E

4.7

$31.99

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Malaka 2-pack 200702 Spa Filter Cartridge compatible with filter PWW50L 4CH-949 FC-0172 hot tubs filter cartridge replacement

4.7

$46.90

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

4.6

$12.97

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POOLPURE PLFPRB50-IN Spa Filter Replaces Pleatco PRB50-IN, PRB50IN, Unicel C-4950, Filbur FC-2390, Jacuzzi J210/J220/J235/J245/J275, Guardian 413-212-02, 373045, 5X13 Drop in Hot Tub Filter, 2 Pack

4.7

$49.99

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Unicel C-4950 50 Square Foot Media Replacement Pool Hot Tub Spa Filter Cartridge with 212 Pleats

4.8

$33.14

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POOLPURE PLFPRB25-IN Hot Tub Filter Replace Unicel C-4326, Guardian 413-106, Filbur FC-2375, FC-2370, 3005845, 17-2327, 100586, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter 2 Pack

4.7

$42.99

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Cryspool® 04072 Filter Compatible with PRB25-IN Hot Tub Filter, C-4326, FC-2375, 3005845, R172327, R173429, 33521, 25392, 817-2500, 5X13 Drop in Spa Filter, 2 Pack

4.7

$31.19

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Malaka 2-Pack Spa Filter Compatible with PWW50P3 (not PWW50P4, not MPT Thread) 6CH-940 FC-0359 1.5'' SAE Thread/Coarse Thread φ6x8 inch Hot tub Filter Cartridge

4.7

$29.99

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

4.7

$29.99

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Spa in-Filter Mineral Sticks Parts for Hot Tub Filter Cartridge, Last for 4 Months, Yellow, 2PCS

4.6

$26.49

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Tier1 Pool & Spa Filter Cartridge 2-pk | Replacement for Jacuzzi J300, J400, 6541-383, Pleatco PJW60TL-OT-F2S, Filbur FC-2715, Unicel 6CH-961, and More | 60 sq ft Pleated Fabric Filter Media

4.7

contributing writer

I'm passionate about making the world a better place. With over a decade of experience working in a number of industries, I've been fortunate enough to meet people who care about the world, and whose actions make a difference. Whether it's volunteering with organizations that create environmental changes, or working with companies that are committed to making ethical decisions, I'm motivated to be a part of the change. Contributing Writer.