9 best hot tub filter replacements of 2025 - Reviews by New York Garden

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The 9 best hot tub filter replacements of 2025

Updated: May, 08 2025

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In this October 2025 review, we explore the 9 best hot tub filter replacements options available. Our expert analysis, led by Antonio Smitham, ensures you find the perfect fit.

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best hot tub filter replacements

PACETAP 1 1/2" SAE Thread Screw in Spa Filter Replacement Compatible with Pleatco PWW50P3(NOT PWW50P4), for Unicel 6CH-940, for Filbur FC-0359, for Waterways 817-0050, Spa Hot Tub Filter for Viking

4.4

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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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6CH-940 Spa Filter Cartridge Replacement for Unicel, Pleatco PWW50P3, Filbur FC-0359, Aber 03FIL1400, Waterway 817-0050 Front Access Skimmer, Viking Pool Hot Tub Filter Screw SAE Thread Filter 2 Pack

4.7

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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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SUNSET FILTERS Type VI Spa and Hot Tub Filter Replacement Cartridge - for Coleman SaluSpa Hot Tub Filters, Bestway Filter, Lay-Z Spa, Intex, S1 Filter Replacement, Spa Filter Replacement (4-Pack)

4.7

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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 Replacement for Spa Filter PWW50P3(1 1/2" Coarse Thread), Unicel 6CH-940, 817-0050, Filbur FC-0359, 25252, 378902, 03FIL1400, 45 sq.ft Screw in Hot Tub Filter,L x OD:7 5/8"x 6" 2 Pack

4.7

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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

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

4.8

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Antonio Smitham

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.