Function and Applications
Rubber stopper to DIN 12871 with 3 holes 7 mm.
Equipment and technical data

of elastic natural rubber
good resistance opposite acids and bases
color: red
lower diameter: 41 mm
upper diameter: 49 mm
height: 40 mm
diameter of the hole: 7 mm
fitting for:

sunction flasks 1000 ml
devices with standardised conical socket SB 45