Intex Krystal Clear model 637R / 56637E 1,000-Gallon Filter Pump Intex 1000 gallon filter pump 120volt. Easy installation just hook up the hoses and plug it in. Double insulated pump. Air release valve for the air trapped in pump. Conforms to ul/csa standards. Keeps the water clean. See More at http://www.inspireshome.com/intex-krystal-clear-637r56637e/ http://bit.ly/pBGaKP