Robelle 3748 Deluxe Ice Equalizer Air Pillow for Above Ground Winter Pool Covers, 4-Feet by 8-Feet
The 4' x 8' Ice Equalizer Pillow relieves stress from the walls of your pool caused by ice. Ice Equalizer pillows also reduce the build-up of rain water, leaves and snow on your winter cover. All you have to do is inflate the pillow and place it under your cover during the winter months. Do not overfill the pillow with air, as this can cause the valve to pop out during the winter months.