SmartLine 21' x 41' Oval Antilles Dolphin Overlap Above Ground Pool Liner — 48"/52" Height, 20 Gauge

Replacement SmartLine liner sized for 21' x 41' oval above-ground pools — Antilles Dolphin overlap pattern, designed for 48"/52" height walls and constructed in durable 20 Gauge material. Produced in the USA by leading pool industry professionals with over 50 years of experience, this liner is made from 100% virgin vinyl for long-lasting performance. The vinyl formulation includes built-in UV protection and is engineered 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 from -50°F to 130°F. An included gasket set helps prevent leaks and is compatible with all thru-wall skimmers and water return lines.