Great Barrier pleats are made with genuine Reemay Advantage with Microban antimicrobial protection. Fits 5 1/2″ drain caps, just as the paper Softub 5020 filters do.

Measure Your Filter Carefully! Filters Are Non-Refundable & Non-Returnable! There are two filter sizes, one for a 4″ drain cap and one for a 5 1/2″ drain cap. See the diagrams and disclaimers below.