21×41 ft Oval Polar Protector Winter Pool Cover Delivers Tough, Reliable Performance for Low PricePolar Protector winter cover provides superior protection to your above ground pool throughout the long, harsh winter seasonInner scrim is woven incredibly tight to create a special interlocking weave structure that resembles KevlarThis winter cover is 30% lighter yet 50% stronger than most other winter pool coversFabric coating and heavy duty inner material resist rips, tears, punctures and chemical stainsIdeal for pools located in very cold regions, cover withstands repeated exposure to harsh winter conditions, freezing temperatures and high windsHolds the weight of rain water and melted snow; will not let water infiltrate poolTan outer cover helps reflect heat, black underside blocks sunlight inhibiting algae growthOptional cover clips or water bags (each sold separately) add extra protection from heavy winter windsIncludes heavy duty vinyl-coated steel cable and winch for easy installation and secure cinching to poolComes with generous 4 ft. overlap to accommodate normal 18 in. water level dropPlease order Polar Protector winter cover with your pool size, not cover size
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