SmartLine 21' Round Mosaic Dimond Unibead Liner for Above-Ground Pools, 48" Height, 20 Gauge

This SmartLine 21' round Mosaic Dimond Unibead liner is a 20 Gauge, 48" height replacement designed for above-ground pools. Constructed from 100% virgin vinyl, it resists punctures, cracks and fading and includes built-in UV protection for lasting performance. Each liner is hand-folded to simplify installation and minimize wrinkles. It endures harsh pool chemicals and extended sun exposure, operating reliably in temperatures ranging from -50°F to 130°F. Manufactured in the USA by pool industry professionals with over 50 years of experience. A gasket set is included to help prevent leaks and fits all thru-wall skimmers and water return lines.