4 in. x 8 in. Above Ground Swimming Pool Winterizing Air Pillow (2-Pack)

The Swimline Air Pillow is the ultimate companion to any winter pool cover. This Swimline air pillow will keep your pool and cover safe from ice in the winter months because it helps to keep water off of your pool cover . and it also helps to make sure your cover won't freeze to your pool water during the cold off-season. Sleep tight knowing this pillow will keep your pool safe in the winter.