6 1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering for-use-with_Deck 0 parts per million (ppm)

0 parts per million (ppm) to maintain a healthy pool

The Durafirm Anti-Rattle Clamp is made of aluminum and fits underneath the Fulcrum Slide Track (DF-C208A) and holds the Roller Block Assembly (DF-517) to it

The distance between the front (pool) rail and back (anchor) rail is 32 inches and the overall outside diameter of the rail tubing is 1

concrete block

The model RC303MP Pro Series 300 is recommended for pools 5

6 1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering for-use-with_Deck 0 parts per million (ppm)This ceramic pool depth marker is printed with 6 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