Unicel 4CH-20 Replacement Filter Cartridge | 20 sq. ft. | 1-1/2" MPT Bottom C8425 IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED

IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED

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Reusing aged seals with a new header is a common cause of post-service leaks

-T for Taupe) Vinyl Works's unique “slide & lock” ladder protection (patented) with minimal pool obstruction

Unicel 4CH-20 Replacement Filter Cartridge | 20 sq. ft. | 1-1/2" MPT Bottom C8425 IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIREDThe Unicel 4000 Series 4CH 20 is a 20 sq. ft. replacement filter cartridge built for top load spa skimmer systems. Its 1 1 2" male threaded (MPT) bottom connection makes it a direct thread replacement for a wide range of spa filter housings no adapter required in most applications. With 204 precision pleated panels of 3 oz. Reemay 2033 spunbond polyester media, this cartridge delivers consistent filtration performance and extended media life.