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Ready-mix concrete for setting posts and building sidewalks
Installs directly to supply stops
Constructed from durable plastic or composite materials with some OEM versions using metal components
Improved wear protection
GLI 50-0404AP 4' x 4' Air Pillow - Blue Zodiac R0635400 Top Housing Cover (Blue) for Polaris 360 & 360 Black Max Cleaner Ready-mix concrete for setting postsThis is a 4 foot x 4 foot air pillow made with heavy duty 20 gauge vinyl. Air pillows are designed for use on aboveground pools to raise the cover up so that water will run off. They can also be used on inground winter pool covers. The vinyl air pillow absorbs the freezing water's pressure and helps protect your pool walls. They also prevent water that has turned to ice from adding pressure to your pool walls. In addition, they will help keep the