1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 5 Inch Lettering monitors_pH/ORP It is made of the

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1/2 FT Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 5 Inch Lettering monitors_pH/ORP It is made of theThis ceramic pool depth marker is printed with 1 2 FT and has a smooth surface. It's overall size is 6 Inch x 6 Inch and has a letter height of 5 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. Ceramic depth markers are essential for commercial pools for improved safety, legal compliance,