Unicel C-4301 Replacement Filter Cartridge | 27.5 sq. ft. | Martec / Sonfarrel / Nordic Enzymes Reduces unpleasant odors

Reduces unpleasant odors

add the recommended initial dosage of Scalefree to the pool water evenly around the edges

Bottles - also available: 4 ounce "spotting bag"

45" exterior

Reemay 2040 Pleat Count 171 Top Cap: open

Unicel C-4301 Replacement Filter Cartridge | 27.5 sq. ft. | Martec / Sonfarrel / Nordic Enzymes Reduces unpleasant odorsThe Unicel C 4301 is a 4000 Series 27. 5 sq. ft. replacement filter cartridge engineered for compact spa and pool filtration systems. With 106 precision set pleats of 3 oz. Reemay 2033 polyester media, this cartridge delivers reliable water clarity and extended service life in a tight 14 7 8" profile purpose built for the spa systems it was designed to replace. Specifications Filter Area 27. 5 sq. ft. Length 14 7 8" Outer Diameter 4 15 16" Top Inner