Product description
The rubber glass pipette is environmentally friendly and non-toxic.
It is also reusable after clean up, and better than a plastic pipette.
Apply for testing laboratories, chemistry, microbiology, liquids, scents.
Instructions：When adding the product, the dropper is just above the vertical.
After drawing the liquid, the tip can not touch other objects, so as to avoid contamination of impurities.
When used, do not only use the thumb and index finger pinching, with the middle finger and ring finger together.