3 valves suction bulb--suction ball has three valves which are used by elastic rubber force to help suck the into the pipette,Rubber Quantitative Filler
3 valves pipet filler--our 3 valves rubber pipette filler is made of natural rubber, safe and to use,Pipette Filler
Rubber pipette filler bulb--strict inspection system you have a product,Suction Bulb
Rubber pipette filler--it is suitable for mining, agricultural research, food, chemistry laboratory, teaching, and so on,Pipet Filler
Rubber pipet filler--use with pipette, a laboratory assistant, despite the widespread use of pipettes, rubber pipette filler does not replace the role of pipettes as a classical quantitative pipetting , especially for greater than 1ml,3 Valves Pipette Filler