Swimline Deluxe 25' x 50' Rectangle In Ground Winter Pool Cover, 5' Overlap, Blue/Black | CO83055R C4405 The carbon-graphite primary ring provides

The carbon-graphite primary ring provides superior wear resistance and chemical compatibility

PRO SERIES® Stain and Scale Control helps protect pools from the damaging effects of scale buildup and staining due to excessive calcium

Quickly removes stubborn stains

it delivers maximum surface area and water clarity in a small-footprint housing — a direct OEM-grade replacement backed by Unicel's industry-leading compatibility database

lasts longer

Swimline Deluxe 25' x 50' Rectangle In Ground Winter Pool Cover, 5' Overlap, Blue/Black | CO83055R C4405 The carbon-graphite primary ring provides25' x 50' Rectangle (5' overlap) for In Ground pools, Blue Black color 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 5 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