SmartLine Waves of Poseidon 21' Round Overlap Above-Ground Swimming Pool Liner, 54" Height, 20 Gauge

Made in the USA by experienced pool industry professionals with over 50 years of expertise, this SmartLine Waves of Poseidon 21' round overlap liner is constructed from 100% virgin vinyl for long-lasting performance. 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 imperfections. It tolerates harsh pool chemicals and prolonged sun exposure across a wide temperature range of -50°F to 130°F. A gasket set is included to help prevent leaks and fits all thru-wall skimmers and water return lines.