18'x40'x54" Oval Beaded Blue Liner - 30 Gauge YGroup_Aquatrol This Top Ledge fits the

This Top Ledge fits the curved side of 18'X33' - 18'x40' Oval Melenia pool models

media to deliver longer filtration cycles with fewer cleanings

Upright Post For Alpha Round 52" High Pool Models

With a "Totally Managed" cupro-nickel heat exchanger

Features 3-Year Manufacturer's Warranty

18'x40'x54" Oval Beaded Blue Liner - 30 Gauge YGroup_Aquatrol This Top Ledge fits theSwimline's Beaded liners are made to last. These liners are made of extra heavy duty virgin vinyl, with super strong welded seams to last long winters and hot summers. Swimline uses computerized cutting tables and a computer aided design to make their liners, eliminating the risk of human error. Whether it's design, pattern or fit, these quality liners are unbeatable.