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

Made in the USA by pool industry professionals with over 50 years of experience, this SmartLine 21' round overlap liner is a Solid Blue, 25 gauge option designed for above-ground swimming pools and a 54" wall height. Constructed from 100% virgin vinyl, the material includes built-in UV protection and is formulated to resist punctures, cracking and fading. Each liner is hand-folded to simplify installation and minimize wrinkles or other imperfections. It tolerates harsh pool chemicals and prolonged sun exposure across a temperature range from -50°F to 130°F. A gasket set is included to prevent leaks and is compatible with all thru-wall skimmers and water return lines.