This self zeroing auto burette is a universal aid in the laboratory, electroplating industry, water treatment plants, for field analyses and numerous other applications. Squeeze the bottle to fill above the 0 line; automatically self zeros. Prominent features include: measured to deliver; made of borosilicate glass with blue ring graduations and Schellbach blue stripe; graduations in accordance with Category B (tolerances according to DIN ISO 385); no stopcock; exact dispensing via spring activated discharge jet or drop via micro screw; left or right hand operation for ease of use; sturdy & easily removable support stand; includes 500mL LDPE chemically resistent squeeze bottle.