SmartLine 21' Round Laguna Unibead Above Ground Pool Liner — 52" Height, 20 Gauge

Built for above-ground pools, the SmartLine 21' Round Laguna Unibead liner is a 20 gauge, 52" high pool liner manufactured in the USA by top pool industry professionals with over 50 years of experience. Made from 100% virgin vinyl and formulated with built-in UV protection, this liner resists punctures, cracking and fading. Each liner is hand-folded at the factory to help ensure a wrinkle-free, straightforward installation. It is engineered to endure harsh pool chemicals and prolonged sun exposure across a broad temperature range (-50°F to 130°F). A gasket set is included to prevent leaks and fits all thru-wall skimmers and water return lines.