Cool Cover Access WTB-1020 Winter Cover Air Equalizer Pillow

Description

This air equalizer pillow is floated on the water surface and under the winter cover and serve several purposes. It's properly located, make it much easier to remove winter debris and pump off excess rainwater. As water freezes and expands, air pillows relieve pressure otherwise exerted on the pool walls. Measures 4-1/2-feet by 15-feet size.