XtremepowerUS 120sqf Pool Cartridge Filter, in-Ground Swimming Pool and Spa For 120 sqf in-ground pools, in-ground pool/spa combinations 2" in and outlet connections, 150 gpm flow rate, 72000 gallon @ 8hrs, 90000 gallon @ 10hrs Extra-large cartridge element with new precision engineered extruded core provides extra strength and maximum flow Filter tanks made from extra durable glass reinforced co-polymer material to meet the demands of the toughest applications and environmental conditions, including in-floor cleaning systems Elevated, filtered water collector and debris sump prevents accidental by-pass of heavy debris to pool when cartridge is removed for cleaning