21 ft. Diamond Round Winter Cover

Extra strong triple-layered polyethylene material designed to resist tearing.
Engineered to endure temperatures as low as -20 degrees Fahrenheit.
Incorporates an Ultraviolet inhibitor to protect against damage from the sun and air pollution.
Treated to resist the harmful effects of chemicals.
Borders are triple-reinforced with heavy-duty grommets spaced every 24 inches for extra strength.
Includes a cable; winch is available separately.
Features a 1.5-foot overlap that covers the entire perimeter of the pool.
Installation instructions and limited warranty are included in the packaging.
Diamond Covers come with a 20-year limited warranty.

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