SP Wilmad-LabGlass Filter Flasks with Stopper Joint, SP Industries
These borosilicate glass heavy wall filtering flasks can be used with FILTERWARE® Filtration Apparatus (LG-1755)
Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 1000mL flask has a 3/8" hose connection, whereas the 2000mL and 4000mL flasks have 1/2" connections.