Robelle Pool Cover Weights, 6-Pack, 8 ft. Blue Double Chamber, 16 Gauge Blue 6-Pack 16 Gauge – 8 ft.

8′ Double Chamber Water Tubes are constructed of heavy-duty 16 gauge, puncture resistant vinyl. All of our water tubes have a conveniently placed, leak-proof valve that is easy to fill with a garden hose. Water tubes keep your pool cover in place all winter long. Water tubes should be filled half-way to prevent popping caused by expansion if the water freezes.

6-Pack Blue 8 ft. Double Chamber 16 Gauge Pool Cover Weights,Heavy-Duty 16 Gauge Vinyl Construction – 30% Heavier Than Industry-Standard,Double Chamber Design Prevents Rolling,Prevents Winter Pool Cover From Falling Into Pool,Fill Halfway With Water to Allow For Ice Expansion – If you have trouble closing the valve please use a hair dryer to loosen before closing.