Hayward EC75 Extended Cycle DE In Ground Pool Filter System with 1 HP Pump Includes a 1HP Hayward Super Pump and a rust-proof poly base Maximum pool size 38,400 gallons (based on 8-hour turnover rate). 7 lbs. D.E. required (not included) Pump is convertible, 110v or 220v and U.L. Listed. Must be hard wired