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Pool winterizing air pillows are designed to absorb the pressure of water freezing during the winter season. Use one to protect your pool wall from the stress and pressure caused by freezing water expansion. Pool air pillows also help to reduce the strain caused by rain, snow, and leaves gathering on top of your winter cover over the winter season.
Simply place the inflated pillow between the pool water and your winter cover for added protection! These pool winterizing accessories are extremely effective when used on above ground pools, and are also known as ice equalizers or pool cover air bags.