Wilmad LG-8266T-104 Borosilicate Glass Pressure Equalizing Cylindrical Addition Funnel, PTFE Plug, Drip Tip, 24/40 Joint, 2 Stopcock Size, 250mL Capacity
Cylindrical funnel has pressure equalizing side arm and includes PTFE plug. outer joint at top is the same size as the lower inner joint. Inner joint has a sealed-in drip tube.