Robelle Heavy-duty Ice Equalizer Air Pillows for Above Ground Winter Pool Cover Robelle heavy-duty ice equalizer air pillows absorb stress created by ice building up in your pool. As ice expands in your pool the pressure created is exerted onto the pillow instead of the walls of your pool. Ice equalizer pillows are an essential way to protect your pool during the winter. The pillow will pop before the ice damages your pool. Ice equalizer pillows also reduce the build-up of rain water， leaves and snow on your winter cover.
Model 3749
Absorbs pressure caused by ice expansion， protecting the swimming pool walls
Forces debris from the center of the pool to the sides for easier cleaning
It is recommended to use more than 1-pillow
Rugged 16-Gauge vinyl
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