SmartLine Mosaic Diamond Unibead Liner — 18' Round Above-Ground Pool, 48" Height, 25 Gauge

Made for 18' round above-ground pools, this SmartLine Mosaic Diamond Unibead liner features a 48" Height and 25 Gauge construction for reliable performance. Manufactured in the USA by top pool industry professionals for over 50 years, it is constructed from 100% virgin vinyl for long-lasting strength. The material is formulated to resist punctures, cracks and fading and includes built-in UV protection. Each liner is hand folded to simplify installation and minimize wrinkles for a smooth fit. Designed to tolerate harsh pool chemicals and prolonged sun exposure, it performs across temperatures ranging 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.