Robelle 4'x8' Premium Pool Pillow 3748 The Robelle 4'x8' Premium Pool Pillow 3748 is an extra-large, heavy-duty air pillow designed specifically for winterizing above ground pools. This premium pool pillow helps absorb the pressure from ice expansion, protecting your pool walls and liner, while also minimizing water and debris buildup during the winter season. Key Features and Benefits: Generous 4 ft. x 8 ft. size ideal for large round or oval above ground pools Premium-grade .42 mm thick vinyl construction, 163% heavier than industry standard for maximum durability Robust, double-seamed edges to prevent deflation and withstand harsh winter conditions Absorbs pressure from ice expansion, with pillow designed to pop before pool walls are damaged Centralizes debris and water toward the pool's edges for easier spring cleanup Lifts pool cover to help prevent water from collecting and leeching through Simple, reliable Boston valve for easy inflation and deflation Backed by Robelle’s reputation for over 50 years of pool closing expertise Specifications: Size: 4 feet x 8 feet (rectangular) Material: Premium .42 mm thick vinyl Weight: 163% heavier than standard pool pillows Valve: Easy-to-use Boston valve Application: For use with above ground pool winter covers For optimal performance, inflate the pillow halfway to two-thirds full and position it under the pool cover's center before winterizing your pool.
