Pipette bulb 590000 series

for graduated and volumetric pipettes made of red rubber (natural caoutchouc) control of the functions by squeezing the appropriate valves between thumb and forefinger individually packed in foil with short instruction for use 100 pieces in a carton (multipack) Evacuate via the new automatic valve Intake by pressure on operating point Drain by pressure on operating point Blow out the pipette (no valve actuation necessary) Remove the valve for easy inside cleaning Replace the valve