Great Barrier pleats are made with genuine Reemay Advantage with Microban antimicrobial protection. Fits 4″ drain caps, just as the paper 5015 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.