SmartLine 21' Round Above Ground Pool Liner - Waves of Poseidon Overlap, 48"/52" Height, 20 Gauge

Manufactured in the USA by top pool industry professionals with over 50 years of experience, this SmartLine 21' round overlap liner in the Waves of Poseidon pattern is designed for above ground pools with a 48"/52" height. Made from 100% virgin vinyl and 20 gauge construction, the liner includes built-in UV protection and is formulated to resist punctures, cracks and fading. Each liner is hand-folded to simplify installation and help eliminate wrinkles and imperfections. It stands up to harsh pool chemicals and prolonged sun exposure across a temperature range of -50°F to 130°F. A gasket set is included to prevent leaks and fits all thru-wall skimmers and water return lines.