Lab Disposable Rubber Suction Bulb Safe Pressure Quantitative Pipette Filler Laboratory Ball with 3 Valves (Red) for

Large suction force, not easy to crack, and the liquid is not easy to precipitate. Suction ball has 3 valves which are used by elastic rubber force to help suck the solution into the pipette. Made of natural rubber, corrosion resistant, safe and to use. Use with pipette, this rubber suction bulb is a good laboratory assistant. Suitable for industrial and mineral laboratories, agricultural laboratories, food laboratories, chemical laboratories and so on.