SmartLine 21' Round Overlap Above Ground Pool Liner - Swirl Bottom, 48"/52" Height, 20 Gauge

Made in the USA by pool industry professionals with over 50 years of experience, this SmartLine 21' Round Overlap above-ground pool liner features a swirl bottom and sturdy 20 Gauge construction. Constructed from 100% virgin vinyl with built-in UV protection, the liner resists punctures, cracks and fading. Its hand-folded manufacture helps minimize wrinkles and makes installation simpler. Engineered to endure harsh pool chemicals and long sun exposure in temperatures ranging from -50°F to 130°F. Includes a gasket set to prevent leaks; the gaskets fit all thru-wall skimmers and water return lines.