SmartLine 21' Round Overlap Above Ground Pool Liner — Waves of Poseidon, 48"/52" Height, 25 Gauge

Designed for 21' round above-ground pools, this SmartLine Overlap liner showcases the Waves of Poseidon motif. Manufactured in the USA by top pool industry professionals for over 50 years, the liner is constructed from 100% virgin vinyl at 25 Gauge for dependable strength. Each liner is hand-folded to allow straightforward, wrinkle-free installation. It includes built-in UV protection and is formulated to resist punctures, cracks and fading. Engineered to tolerate harsh pool chemicals and prolonged sun exposure, it performs across a wide temperature range from -50°F to 130°F. A gasket set is included to help prevent leaks and fits all thru-wall skimmers and water return lines.