7 Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering tube-thickness_.145" Extensive laboratory and field tests

Extensive laboratory and field tests have shown it to be very accurate and reliable

Now includes weir clip locks to secure weir clips in place

There is no age limit for children on this sign

OPTILON can be applied to bare concrete or plaster as well as over old rubber base coatings

7 Ceramic Smooth Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering tube-thickness_.145" Extensive laboratory and field testsThis ceramic pool depth marker is printed with 7 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. Ceramic depth markers are essential for commercial pools for improved safety, legal compliance, and