4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet The outside tube is formed

The outside tube is formed slightly out of round and the inside tube is equally out of round which creates the friction for the lock

This PockeTester also allows you to add a TCI (Chlorine) and/or pH sensor so you can test three factors (sold separately)

This pipe hanger is made to exceed your expectations

Also works with Separation Tank Models SEP48

It has a removable cover and adjustable collar suitable for deck level installation

4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet The outside tube is formedThis plastic depth marker tile states 4. 1. It has an overall size of 6 x 6 inches which will fit over standard ceramic pool depth marker tiles. Our tempered Plastic Overlays are made for the waterline depth in your pool. They have beveled edges, a smooth surface, and a thin profile. They can be installed over most surfaces including tile, fiberglass, paint, vinyl liner, etc. Overlays are used to go over existing tile depth marking that has faded or