Thickest gauge Above Ground Pool Cover Ice equalizer Expansion Air Pillows protects your above ground pool from quick freeze damage. Relieves stress on above ground pool walls and pool liners. Simply tie the air pillow using grommets located in the corners and your pool has extra protection against the harsh cold climates winter brings.
What does an Ice Equalizer Expansion Air Pillow actually do? It will absorb Ice Expansion that can tear your pool liner