These solar panels collect the sun’s rays, convert them to heat and help keep your pool comfortably warm. It increases pool water temperature with up to 10 degrees. The pool’s water is circulated through the channels and returns to your pool nice and warm. They are compatible with most pool pumps, and can be mounted on a roof/rack, or simply laid out on the ground by the pool. Delivery includes: 2 x panel, 4 x seal, 8 x clamp, 4 x hose connector.