Keep your above ground pool crystal clear all summer long with the FlowXtreme sand filter pump system. This system works quickly and efficiently, using a self-priming pump to filter up to 1,850 gallons of water per hour while simultaneously reducing your overall energy costs. Sand filtration is a simple, all-natural way to keep you pool fresh and clean. It also requires minimal effort to maintain. Simply replace the sand every five years, and backwash regularly with the FlowXtreme's intuitive, 7 position multivalve port. For optimum performce, equip this efficient pump with FlowXtreme Cotton Tails filtration media. Cotton Tails outperform cartridge filters and sand by filtering your pool down to 3 microns (Comparable to DE Filter Systems). Backed by a 1 year warranty.