Unicel C-8417 Replacement Filter Cartridge | 175 sq. ft. | Hayward Star-Clear Plus C1750 / Waterway Pro Clean 175 Vacuum Heads or have used copper-based algaecides

or have used copper-based algaecides — The Blue Stuff is the right choice

Convenient single button pass/reset operation

Reemay 2040 Pleat Count 192 Top Cap: Open

Required control sold separately (Colorwheel control for 12VDC

Unicel C-8417 Replacement Filter Cartridge | 175 sq. ft. | Hayward Star-Clear Plus C1750 / Waterway Pro Clean 175 Vacuum Heads or have used copper-based algaecidesThe Unicel C 8417 is an 8000 Series 175 sq. ft. replacement filter cartridge engineered for high capacity residential pool filtration. Constructed with heavy duty 4 oz. Reemay 2040 polyester media and 202 precision pleats, this cartridge delivers superior dirt holding capacity and extended service intervals keeping water cleaner between cleanings. Specifications Filter Area 175 sq. ft. Length 28 3 16" Outer Diameter 8 15 16" Top Inner Diameter 4"