Protect your aboveground swimming pool with the Robelle Dura-Guard solid winter pool cover. The green 2.36-oz./yd
2 polyethylene material is reinforced with 8 vertical and 8 horizontal threads per square inch. Today's aboveground pools have larger top rails, so it is important to have extra material to cover the entire pool. This cover has an additional 4' overlap to ensure the cover will fit your pool. The topside has been treated to inhibit damaging UV rays. The bottom is black to prevent algae growth in your pool. Two aluminum grommets 4" on center are placed every 4' around the perimeter. The included plastic-coated cable is threaded through the grommets and the ratchet lock allows you to tighten the cover to your pool. Finally, 2 lines of double-chain stitching all around the perimeter prevent wear and tear..
Product Features:Fits 21' x 41' aboveground oval poolsMade from durable green 2.36-oz./yd2 polyethylene material8 x 8 scrim count (threads per square inch) for maximum strength4' overlap for complete coverageTopside is treated to inhibit damaging UV raysBottom is black to prevent algae growth in your pool2 aluminum grommets 4" on center are placed every 4' around the perimeterPlastic-coated cable is threaded through the grommets Ratchet lock allows you to tighten the cover to your pool2 lines of double-chain stitching all around the perimeter prevent wear and tearIncludes pool cover, winch and cableWarranty: 8 years(Model 322141-4)