 RELIEVE YOUR POOL WALLS OF WATER EXPANSION STRESS!
- When placed under your winter cover, this rugged 16-ga. vinyl pillow attracts freezing water as it expands.
- Your pool walls are relieved from the stress of water expansion!
- These multi-purpose pillows also help reduce the build-up of rain, leaves or snow on your winter cover.
ACTUAL PILLOW SHAPE IS SQUARE!
NOTE: The Air Pillow should only be inflated half-way.
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