Double-Chamber Premium Water Tubes should be placed around the perimeter of your in-ground winter swimming pool cover. Simply slide these winter water tubes through the water tube loops included on your winter pool cover. These water tubes include leak-proof valves that are easy to fill with a garden hose. Only fill the water tubes half-way， this prevents ice from expanding and splitting your water bag. Made with Premium 20-Gauge vinyl.
Model 3811--20-06
Features a dual-chamber design
Premium 20-Gauge vinyl
Includes leak-proof valves
Used with water tube loops included on your winter pool cover
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