Compatible with a variety of Intex filter pumps, for your convenience Uses the sun’s energy to heat your above ground pool’s water by five to nine degrees Fahrenheit, offering a comfortable swimming temperature Easily connect up to six mats for greater heating capacity Foldable, so you can easily store it during colder weather UV stabilized PVC construction prevents this mat from getting punctured Included bypass valve lets water flow out of your filter and into the heating mat Flat mat size before filling: width: 119.3cm (47”), height: 119.3cm (47”)