Red rubber stopper 1 hole, diam. (low-up) 35 - 45 mm, h= 36.5 mm

Specifications

Made of red rubber
Ideal for vacuum suction or filtration processes
For optimal sealing of laboratory containers
and to keep them free of possible contaminants
in the environment or to preserve volatile substances
contained volatile substances
Conical shape
1 hole of 6 mm diameter (approximate size)