5 1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering tube-thickness_.065" The new pump head delivers

The new pump head delivers more precise feed rates

This ceramic pool depth marker is printed with INCHES and has a skid resistant surface

This kit will test the bleach solutions (10-1000 ppm)

and motels

5 1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering tube-thickness_.065" The new pump head deliversThis ceramic pool depth marker is printed with 5 1 2 FT and has a smooth surface. It's overall size is 6 Inch x 6 Inch and has a letter height of 4 Inches This ceramic pool tile is printed with ceramic glaze inks, then kiln fired to ensure the finest, most durable depth and safety marker line available. The smooth surface tiles are for waterline applications. Please note the FT is not 4 inches, but is as pictured. Ceramic depth markers are essential