SmartLine Stone Harbor 21' Round Unibead Above-Ground Pool Liner - 52" Height, 25 Gauge, Made in USA

SmartLine 21' Round Stone Harbor Unibead pool liner, manufactured in the USA by experienced pool professionals with over 50 years in the industry. This 25 Gauge liner is made from 100% virgin vinyl and includes built-in UV protection to resist fading while helping prevent punctures and cracks. Hand folded for a smooth, wrinkle-free installation, the material is engineered to tolerate harsh pool chemicals and prolonged sun exposure. Designed to perform in extreme conditions, it withstands temperatures ranging from -50°F to 130°F. A gasket set is included to help prevent leaks; the set fits all thru-wall skimmers and water return lines.