4' Blue Air Pillow for Above Ground Swimming Pool Winter Closing;

Prevent undue stress on your above ground pool walls with this air pillow. Place a few of these pillows on the surface of the remaining water and secure the winter cover on top. When the water freezes the ice will compress the pillows instead of applying force to the walls. Pillows will also cause leaves and other debris to collect in certain areas of the cover making clean up easier. Grommet on either side helps keep the pillow in place Dimensions:. Pillow: 4'W x 4'L (deflated). Valve opening: 1" diameter. Material(s): vinyl Note: It is recommended that the air pillow only be inflated three quarters full to prevent premature popping