These NEW BOROSILICATE glass stoppers are hollow and made to plug corresponding size female glass-on-glass joint. 19mm (19/20-22mm). 14mm (14/20-22mm).
Item Tag: 14mm Male (14/20)
Hollow Stopper Plug Borosilicate Lab Glass Joint #14 #19 14mm 19mm 14/20 19/22
These NEW BOROSILICATE glass stoppers are hollow and made to plug corresponding size female glass-on-glass joint. 19mm (19/20-22mm). 14mm (14/20-22mm).