SGE 100% Graphite Combination Front and Back Ferrules (OGF) - General Ferrules For Glass, Stainless Steel Or Glt Tubes And For Use With Specified Instruments, 10/PK - 72621 [482.59041.OS]
Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.