10 ft. Black Single-Chamber Extra Heavy-Duty Water Tubes for Winter Swimming Pool Covers (5-Pack)

Pool Mate 10 ft. single chamber 20-Gauge water tubes are constructed of extra heavy 20-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.