Hayward Star Clear Plus Cartridge Filter | 2" Female Threads | 120 Sq. Ft. | W3C12002 $924.00 Waterco 400 Sq. Ft. Fulflo Tri Cartridge Filter | 2165400USA $1,054.04 Waterway Crystal Water 325 Sq. Ft. Cartridge Filter | 112 GPM | 570-0325-07 | 62181 $1,042.06 Hayward SwimClear Multi-Element Cartridge Filter | 325 sq. ft. | W3C3030 $1,674.00 Waterway ProClean Plus 75 Sq. Ft. Cartridge Filter | 75 GPM | PCCF-075 | 62189 $343.14 Pentair Clean & Clear RP Cartridge Filter | 150 Sq. Ft. | EC-160355 $994.00 Pentair Clean & Clear Plus Cartridge Filter | 320 Sq. Ft. | EC-160340 $1,514.00