Unicel 2000 Series 8.5 sq. ft. Replacement Filter Cartridge | C-2303 United Chemical A larger surface area extends

A larger surface area extends the life of the filter cartridge

Maintain water temperature at 95ºF and allow spa to circulate overnight with jets off

Bromine 2–20 ppm

Follow your pool dealer’s recommendations on steps you can take to protect your pool from algae during this metal stain removal process

Calculate the volume of SEAKLEAR ALGAE PREVENTION & REMOVER required for the pool

Unicel 2000 Series 8.5 sq. ft. Replacement Filter Cartridge | C-2303 United Chemical A larger surface area extendsThe Unicel C 2303 is a 2000 Series 8. 5 sq. ft. replacement filter cartridge engineered for compact spa and chlorinator filter systems. With 150 precision pleated layers of 3 oz. Reemay 2033 polyester media, this cartridge delivers consistent sub micron particle capture in a slim 2 7 8" diameter profile purpose built for the tight tolerances of Rainbow Plastics and Emerald Spa filtration housings. Specifications Filter Area 8. 5 sq. ft. Length 17 1