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

Pool Mate 10 ft. single 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.