The DVB.6-60-40-M10-40-70 is part of the Elesa & Ganter product line of standard parts. It is a level indicator, consisting of two parts. The first is a mounting base, made of black-oxide zinc-plated steel, with four blind-holes for mounting. The second part is a glass tube with five scale marks, each indicating a various level of liquid inside. These scale marks are clearly visible and are numbered '6', '60', '40', 'M10', '40', '70'. The overall indicator is epoxy-coated and is resistant to corrosion and abrasion. It is designed for the indication of liquid levels in tanks.