Swimline Deluxe 18' x 40' Rectangle In Ground Winter Pool Cover, 5' Overlap, Blue/Black | CO82345R Primers Spas: Before initially using this

Spas: Before initially using this product in your spa or hot tub

a yellow/orange reagent that only reacts to measure Total Chlorine only

it maximizes surface area and service life — delivering cleaner water between cleanings and longer intervals before replacement

no entry steps extension

uniform pleats of 3 oz

Swimline Deluxe 18' x 40' Rectangle In Ground Winter Pool Cover, 5' Overlap, Blue/Black | CO82345R Primers Spas: Before initially using thisSize: 18' x 40' Shape: Rectangle Color: Blue Black Pool Type: In 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 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