SmartLine 21' x 41' Oval Overlap Above-Ground Pool Liner — Boulder Swirl, 48"/52" Height, 30 Gauge

Made in the USA by experienced pool-industry professionals with over 50 years of expertise, this SmartLine 21' x 41' oval overlap liner showcases the Boulder Swirl design and is 30 Gauge with a 48"/52" height. Built from 100% virgin vinyl, the material includes UV protection and is engineered to resist punctures, cracking and fading. Each liner is hand-folded to reduce wrinkles and simplify installation for a smooth fit. It endures harsh pool chemicals and extended sun exposure across temperatures ranging from -50°F to 130°F. A gasket set is included to help prevent leaks and is compatible with all thru-wall skimmers and water return lines.