4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet This filter cartridge is designed

This filter cartridge is designed for BetterFilter BF105

Calibration can be easily performed by entering the AutoCal feature and entering a value to match an external reference

The fit is universal 37

Also works with Separation Tank Models SEP48

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

4.1 - Plastic Overlay Depth Marker - 6 x 6 Inch with 4 Inch Lettering length_25 Feet This filter cartridge is designedThis 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