PermaGuard Solid Vinyl Rectangular Safety Pool Cover 16 x 40 Feet With No Drain steps_4 Steps This pool depth marker states

This pool depth marker states NO GLASSWARE with graphic and has an overall size of 6 Inch x 6 Inch

Other features include programmable shock treatment and chemical savings cycles

then calcium hardness in your pool

The Rock Solid anchor securely hugs the frame and can be tightened with minimal effort

PermaGuard Solid Vinyl Rectangular Safety Pool Cover 16 x 40 Feet With No Drain steps_4 Steps This pool depth marker statesThis Meyco pool safety cover is designed to fit a Rectangular 16 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