Unicel C-4301 Replacement Filter Cartridge | 27.5 sq. ft. | Martec / Sonfarrel / Nordic Enzymes Reemay 2040 Pleat Count 171

Reemay 2040 Pleat Count 171 Top Cap: open

Leaves and debris are collected in mesh bag that attaches to the top

Made for Hayward C-900

Bottles - also available: 4 ounce "spotting bag"

Unicel C-4301 Replacement Filter Cartridge | 27.5 sq. ft. | Martec / Sonfarrel / Nordic Enzymes Reemay 2040 Pleat Count 171The 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