Unicel 8000 Series 200 sq. ft. Replacement Filter Cartridge for Waterway Pro Clean 200 | C-8420 FC9540 Brings alkalinity level to ideal

Brings alkalinity level to ideal range

Tests for free chlorine

(total system) Grid Length 30" (measured end to end — collar not included) Collar Configuration Open slot (2 notches) Grid Type Partial grid (used in 7 full + 1 partial configurations) Material High-grade DE filter fabric with reinforced seaming Note from Unicel: Collar has open slot (2 notches)

Length 32 3/4" Outer Diameter 7" Top Inner Diameter 3" Bottom Inner Diameter 3" Material Point Bonded Pool Filtration Fabric Top Cap Open w/molded gasket Bottom Cap Open w/molded gasket Pleatco Advanced Features

Unicel 8000 Series 200 sq. ft. Replacement Filter Cartridge for Waterway Pro Clean 200 | C-8420 FC9540 Brings alkalinity level to idealThe Unicel C 8420 is an 8000 Series 200 sq. ft. replacement filter cartridge engineered for the Waterway Pro Clean 200. Built with 4 oz. Reemay 2040 polyester media across 236 precision pleats, it delivers consistent water clarity and long service life in demanding residential filtration systems. Specifications Filter Area 200 sq. ft. Length 28 3 16" Outer Diameter 8 15 16" Top Inner Diameter 4" Bottom Inner Diameter 4" Material 4 oz. Reemay 2040