Robelle 3Pool Cover Weights, 6-Pack, 8 ft.

8' Double Chamber Black Water Tubes are constructed of heavy-duty, 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 Black 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. Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item Warranty: 90 Day Woot Limited Warranty