Corning Pyrex 7815-19 Borosilicate Glass Capillary Tip Bleed Tube, 7mm OD, 280mm Length
These 7x280mm PYREX capillary tip bleed tubes are for bleeding gases, steam or liquids below the liquid surface of sidearm distillation flasks. This tube is also a replacement part for organic chemistry kits Nos. 6949E, 6949G-2 and 6949K.