0.3 Ceramic Skid Resistant Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering voltage_12V Battery It is used for Calcium

It is used for Calcium Hardness testing in Taylor Kits

This is a PVC Schedule 80 Cap fitting with Slip fitting connections that measure 1/4 Inch

Tanks have a large opening with locking lid tab (child resistant lock)

The Sapphire Guard Chair is constructed of 304L stainless steel for durability

In addition

0.3 Ceramic Skid Resistant Tile Depth Marker 6 Inch x 6 Inch with 4 Inch Lettering voltage_12V Battery It is used for CalciumThis ceramic pool depth marker is printed with 0. 3 and has a skid resistant 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 skid resistant tile is surfaced in the factory, not sanded or coated, for a more reliable slip resistant surface! Skid resistant tiles are for