(STANDARD THREE VALVE BALLS), CHEMICAL- RESISTANT RUBBER MATERIAL, ADAPATS TO PIPETTE, VOL.50ML. RED,EACH
Especially designed for glass and plastic pipettes, work safely with toxic, infectious, odoriferous, corrosive, or sterile liquids.
● Natural rubber with three valves, eliminating dangerous mouth pipetting
● Easy one handed operated, including evacuating air, drawing and releasing
liquid accurately
● For use with pipettes of 2ml,10ml and 25ml capacities
