HII / CaliMar 13" Sand Filter w/ 4 Position Valve and Combo Base | 5-1710-013 | 67879 $237.14 HII / CaliMar 16" Sand Filter w/ 6 Position Valve and Combo Base | 5-1710-016 | 67880 $242.86 HII / CaliMar 19" Sand Filter w/ 6 Position Valve and Combo Base | 5-1710-019 | 67881 $264.29 HII / CaliMar 23" Sand Filter w/ 7 Position Valve and Combo Base | 5-1710-023 | 67882 $330.00 Hayward Pro Series Sand Filter | 16" Top Mount With Valve | W3S166T $458.95 Hayward Pro Series Sand Filter System with Power-Flo LX Pump | 1.40 Sq. Ft. Filter 1HP Pump | W3S166T1580S $788.95 Hayward Perflex Modular Above Ground Pool D.E. Filter with Clamp | 20 SqFt | W3EC40AC | 52845 $614.00 Hayward Perflex Extended Cycle D.E. Filter | 68 GPM | 34 Sq. Ft. | W3EC65A $1,149.00 Hayward Star Clear Above Ground Pool Filter Cartridge | 50 sq. ft. | W3C500 $454.00