PermaGuard Solid Vinyl Rectangular Safety Cover 20 x 40 Feet, 4 x 8 Left 3-Foot Offset With Drain size-in-gallons_751-1000 This pool depth marker states

This pool depth marker states 4

And the net length can be shortened to a custom length

The Gast Regenair Blowers have double sealed ball bearings with a B10 life exceeding 30

This is a Legend Valve True Union T/S-603 Series PVC Ball Valve

It has a one-piece hollow body construction

PermaGuard Solid Vinyl Rectangular Safety Cover 20 x 40 Feet, 4 x 8 Left 3-Foot Offset With Drain size-in-gallons_751-1000 This pool depth marker statesThis Meyco pool safety cover is designed to fit a Rectangular 20 x 40 Foot Pool with 4 x 8 Left 3 FT Offset. 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