Hayward D.E. ProGrid Pool Filter | 60 sq. ft. | Requires Backwash Valve - Not Included | W3DE6020 $1,934.00 Hayward D.E. ProGrid Pool Filter | 48 sq. ft. | Requires Backwash Valve - Not Included | W3DE4820 | 52842 $1,644.00 Hayward D.E. ProGrid Pool Filter | 36 sq. ft. | Requires Backwash Valve - Not Included | W3DE3620 | 52841 $1,434.00 Hayward Pro Series Sand Filter | 16" Top Mount With Valve | W3S166T $458.95 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 Pro Series Sand Filter | 18" Tank includes 1-1/2" Top Mount Valve | W3S180T $544.00 Hayward Pro Series Sand Filter | 20" Tank includes 1-1/2" Top Mount Vari-Flo Valve | W3S210T $569.00 Hayward Pro Series Sand Filter | 22" Tank Includes 1-1/2" Top Mount Vari-Flo Valve | W3S220T $714.00 Hayward Pro Series Sand Filter | 24" Tank includes 2" Top Mount Vari-Flo Valve | W3S244T2 | 52855 $844.00 Hayward Pro Series Sand Filter | 30" Tank includes 2" Top Mount Valve | W3S310T2 $1,444.00 Hayward Pro Series Sand Filter 30" Tank | Backwash Valve Required | W3S310S $1,644.00 Hayward SwimClear Multi-Element Cartridge Filter | 425 sq. ft. | W3C4030 $2,044.00