Description
- Its three glass valves control the evacuation of air, liquid uptake and liquid dispensing
 - Expel air from the bulb by squeezing the "A" valve and the bulb at the same time
 - Draw liquid into the pipette by squeezing the "S" valve
 - To dispense liquid, squeeze the "E" valve
 - To deliver last drop squeeze the small bulb next to the "E" valve
 
This bulb-type safety pipette filler is designed for efficient one-hand operation. Made from natural rubber for better memory and resistance to chemical attack.