10 ft. Black Single-Chamber Heavy-Duty Water Tubes for Winter Swimming Pool Covers (6-Pack)

Robelle 10 ft. 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.