SmartLine 12' x 18' Oval Swirl Bottom Overlap Liner — 48"/52" Height, 20 Gauge (Above Ground)

Made in the USA by pool industry experts with over 50 years of experience, this SmartLine 12' x 18' Oval Swirl Bottom Overlap liner is a 20 Gauge option for 48"/52" above-ground pools. Constructed from 100% virgin vinyl with built-in UV protection, the material is formulated to resist punctures, cracking and color fade. Each liner is hand-folded so it installs smoothly and minimizes wrinkles or visual imperfections. It's engineered to tolerate harsh pool chemicals and prolonged sun exposure across a wide temperature range 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.