Swimline Deluxe 12' x 20' Oval Above Ground Winter Pool Cover, 4' Overlap, Blue/Black | PCO81624 Zinc Anodes Its patented pre-measured delivery system

Its patented pre-measured delivery system gradually releases the formula into the filtration system to allow for optimum coverage

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Superior strength and durability

Pentair 263053 Abs 2" Slide Valve

Swimline Deluxe 12' x 20' Oval Above Ground Winter Pool Cover, 4' Overlap, Blue/Black | PCO81624 Zinc Anodes Its patented pre-measured delivery systemSize: 12' x 20' Shape: Oval Color: Blue Black Pool Type: Above Ground Swimline Deluxe Winter Cover is made of extra strong polyethylene material with double stitching that allows it to hold up in even the harshest of winters. A large 4 ft. overlap allows for installation on virtually any above ground pool. Installation is a breeze with the included cable and ratchet and the integrated metallic grommets. Features and Benefits: Complete rip proof