#CL460 CL CARTRIDGE FILTER CL SERIES CARTRIDGE FILTER TANK (460 SQ FT). The benchmark for large cartridge filtration. The design of the CL Cartridge Filter takes advantage of the filter's total surface, area providing the clearers water possible and extended cleaning cycles. The filter handles high flow rates with optimum hydraulic performance. CL large cartridge filters are technologically advanced and constructed with corrosion resistant polymeric materials for long- lasting performance. Universal unions make filter installation easy.