4-2X20' SunQuest Solar Swimming Pool Heater Complete System with Roof Kits <br />click here to buy http://dalgizlink.com/B007NIPYCQ<br />SunQuest Solar panels are designed for both In-ground and Above-ground swimming pools <br />MAX-FLOW design with 2 OD headers - better water circulation - less back pressure on your pump <br />Compatible with your existing pool pump <br />Increases pool water temperature up to 10 degrees <br />SunQuest is an easy do-it-yourself installation