Swimline 4' x 8' Blue Air Pillow (ACC48)
Protect your above-ground pool from winter damage with the Swimline 4' x 8' Air Pillow. Placed under your winter cover, it relieves pressure caused by expanding ice and prevents damage to your pool walls and liner.

Key Features:

• Protects pool walls by absorbing ice expansion pressure
• Keeps cover elevated to prevent sagging, tearing, and debris buildup
• Ideal for above-ground pools
• Easy to use — simply inflate halfway before placing under the cover
• Use with Pool Pillow Pal (sold separately) to keep it centered all winter

A must-have for any pool owner, this durable air pillow helps your pool survive harsh winters and stay in great shape for next season.