INDUSTRIAL QUALITY || Burette is made from high quality, heavy-duty borosilicate 3.3 glass; bottle is made from durable polyethylene
CLASS A TOLERANCE || Class A tolerance of ±0.05mL, as per DIN ISO 385 standard
SELF-ZEROING || Completely closed system; squeezing the bottle fills the burette just over the zero line, and excess liquid is returned to the reservoir bottle
PRECISE || Pushbutton stopcock with screw clamp and exact-spout tip for precise, repeatable fluid delivery
SCHELLBACH STYLE || Burette features a Schellbach-style strip to make readings of clear fluids easier