Bel-Art Automatic Burette

These self-zeroing glass burettes have easy to read blue graduations against a white background. Delivery end is fitted into a plastic push button stopcock which permits drop by drop delivery. Small screw clamp adjusts drop speed as needed for titration. Polyethylene filling tube extends from the top of the burette into the bottle reservoir. Bottle, screw cap, and round base are polyethylene plastic. 500 mL reservoir.