SmartLine 21' Round Crystal Overlap Above-Ground Pool Liner — 54" Height, 25 Gauge

Manufactured in the USA by leading pool professionals with more than 50 years of experience, this SmartLine 21' Round Crystal Overlap liner is a 25-gauge, 54" high replacement for above-ground pools. Constructed from 100% virgin vinyl with built-in UV protection, the liner is engineered to resist punctures, cracking and fading. Each liner is hand-folded to allow easier installation and a smooth, wrinkle-free fit. It’s formulated to endure harsh pool chemicals and prolonged sun exposure, performing reliably in temperatures from -50°F to 130°F. Includes a gasket set that fits all thru-wall skimmers and water return lines to help prevent leaks.