Lenz^® dropping funnel with pressure equalizing arm

Lenz^® dropping funnel with pressure equalizing arm, capacity 50 mL, joint: ST/NS 14/23, glass key

Lenz^® dropping funnel with pressure equalizing arm, capacity 250 mL, joint: ST/NS 29/32, PTFE key

Lenz^® dropping funnel with pressure equalizing arm, capacity 1,000 mL, joint: ST/NS 29/32, PTFE key

Lenz^® dropping funnel with pressure equalizing arm, capacity 100 mL, joint: ST/NS 14/23, PTFE key