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Spa filters · 9 parts
Hot Tub & Spa Filter Cartridges
Replacement cartridges for hot tubs and spas — the PRB, PWK and PWW workhorses plus Intex and Coleman inflatable-spa filters, matched by diameter, thread and square footage.
“Same 50 sq ft — but does yours thread in or drop in? Wrong end and it won't seat.” — that's the question this family answers.
Find yours by model
Universal 50 sq ft drop-in spa cartridge (PRB50-IN)Universal 25 sq ft drop-in spa cartridge (PRB25-IN)Hot Spring Watkins / Hot Spring 30 sq ft (PWK30)Waterway Front Access Skimmer 50 sq ft (PWW50P3, threaded)Intex Type A / Type C cartridgeIntex Type B cartridgeIntex Type H cartridgeIntex Type S1 cartridge (PureSpa)Coleman SaluSpa / Bestway Lay-Z-Spa Type VI