Unicel 4000 Series 20 sq. ft. Replacement Filter Cartridge for Hayward MicroStar-Clear C200 | C-4320 FG1005 Optional screen door kits can

Optional screen door kits can be purchased

In problem water areas

Tests for Chlorine

Length 13 1/2" Outer Diameter 4 15/16" Top Inner Diameter N/A Bottom Inner Diameter N/A Material 3 oz

Buna elastomers provide excellent chlorine resistance and reliable performance in standard residential pools operating at normal temperatures

Unicel 4000 Series 20 sq. ft. Replacement Filter Cartridge for Hayward MicroStar-Clear C200 | C-4320 FG1005 Optional screen door kits canThe Unicel 4000 Series C 4320 delivers 20 sq. ft. of filtration surface area through 110 precision pleats of 3 oz. Reemay 2033 spun bonded polyester engineered as a direct replacement for Hayward and American Products in line filter systems. The increased pleat density maximizes debris capture and extends cleaning intervals, keeping your pool water clear with consistent flow and pressure performance. IMPORTANT: OEM DIMENSIONAL DIFFERENCE The Hayward