Hayward Pro Series Sand Filter | 18" Tank includes 1-1/2" Top Mount Valve | W3S180T $544.00 Pentair Triton II TR60 24" Fiberglass Sand Filter | Backwash Valve Not Included | EC-140264 $1,404.00 Hayward Pro Series Sand Filter 30" Tank | Backwash Valve Required | W3S310S $1,644.00 Waterway ProClean Plus 75 Sq. Ft. Cartridge Filter | 75 GPM | PCCF-075 | 62189 $343.14 Pentair Tagelus 24" TA60D Fiberglass Sand Filter with Six Way 1.5" Multiport Backwash Valve | EC-145241 | 52870 $1,034.00 Hayward Star Clear Plus Cartridge Filter | 2" Female Threads | 120 Sq. Ft. | W3C12002 $924.00 Hayward SwimClear Multi-Element Cartridge Filter | 325 sq. ft. | W3C3030 $1,674.00 Hayward Perflex Extended Cycle D.E. Filter | 68 GPM | 34 Sq. Ft. | W3EC65A $1,149.00 Pentair Clean & Clear RP Cartridge Filter | 100 Sq. Ft. | EC-160354 $694.00 Hayward D.E. ProGrid Pool Filter | 36 sq. ft. | Requires Backwash Valve - Not Included | W3DE3620 | 52841 $1,434.00 Pentair Clean & Clear Plus Cartridge Filter | 320 Sq. Ft. | EC-160340 $1,514.00 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 Waterway Crystal Water D.E. Filter | 36 Sq. Ft. 72 GPM | 570-0036-07 | 62178 $854.38 Pentair FNS Plus Fiberglass D.E. Filter | 36 Sq. Ft. | EC-180007 | 52849 $1,404.00 Pentair Quad D.E. High Flow D.E. Filter | 60 Sq. Ft. | EC-188592 $1,504.00