Above Ground Swimming Pool Winterizing Closing Air Pillow - 4x4

The Above Ground Pool Air Pillow by Swimline is designed to go underneath your winter cover and will compress when your pool water freezes, relieving your pool walls of stress caused by ice expansion during winter. The Air Pillows will also allow rainwater, leaves, and snow to concentrate in certain areas allowing for easier removal. The Air Pillow is easy to use. Inflate the Air Pillow(s) and place it in the middle of the pool and then install and secure the winter cover. Made of 16-gauge vinyl, the Air Pillow is designed to last.

• 4' X 4' Square Air Pillow
• Relieves stress on pool walls caused by freezing water.
• Easier removal of built-up water and debris.
• Made of 16-gauge vinyl