CELLTREAT 229091B Wobble-not Serological Pipet, Individually Wrapped, Paper/Plastic, Bag, Sterile 5mL, 200 pk

Wobble-not™ serological pipets have a patented innovative 2-tier step design at the plug end vs. traditional pipets that have a straight cylindrical-shaped plug end, requiring less insertion force
Wobble-nots are the only serological pipets that will give you two zones of contact in your pipet controller’s nozzle, to increase stability and reduce dripping
Ultra-clear markings and color-coded stripes for quick volume identification
25 & 50mL pipets feature negative graduations to -10mL
Premium polymer fiber barrier plug
Accuracy ± 2% at full volume

Also, check out Calibration Kit, Temperature by A&D