Feature

●Material: rubber; Color: blue
●Hole inner dia: 7mm/0.28"; Outer dia: 12mm/0.47"
●Bulb dia: 3.5cm/1.4"; Total length: 5.5cm/2.2"
●Suitable for all kinds of graduated tube, droppers, pipet, transfer pipette, etc
●Pack of 5


Description

Material: rubber
Color: blue
Hole inner dia: 7mm/0.28"; Outer dia: 12mm/0.47"
Bulb dia: 3.5cm/1.4"; Total length: 5.5cm/2.2"
Suitable for students to use in the laboratory

Package included:
5 x pipette dropper rubber bulb