PermaGuard Solid Vinyl Rectangular Safety Pool Cover 18 x 40 Feet With Drain filter-length_19 5/8 inches This is an SR Smith

This is an SR Smith Linak battery replacement for the older model SR Smith PAL

Made of high density cycolac plastic

This Lomart part is manufactured by a Poolweb partner to meet or exceed original manufacturer specifications

This is a Schedule 80 One-Piece Flange with a 2 inch slip (socket) connection

If the water pH is too far one way or the other

PermaGuard Solid Vinyl Rectangular Safety Pool Cover 18 x 40 Feet With Drain filter-length_19 5/8 inches This is an SR SmithThis Meyco pool safety cover is designed to fit a Rectangular 18 x 40 Foot Pool. The actual cover will arrive larger to give you enough overlap around the entire pool for proper installation and use. Meyco's PermaGuard Solid Safety Covers feature an ultra strong and ultra light vinyl material; almost 1 3 lighter than other vinyl materials. The PermaGuard material is designed to form a more effective barrier to prevent surface water and foreign debris