8 Inch Long 5 Piece Pyrex Glass Tubes 12 OD 2 mm ID Thick Wall
4 inch Long 5 Piece Pyrex Glass Tubes 12 mm OD 1.5 mm Thick Wall Tubing Borosilicate Blowing Tubes
Ginsberg Scientific 6MMSLT-24 Flint Glass Tubing, 6mm OD x 4mm ID, 1 lb. Pack
SEOH 10 pack of Test Tube Borosilicate Glass 18X150MM
13x100mm Test Tubes with Cork Stoppers and Cardboard Rack, Borosilicate Glass, Round BTM, 7ml Vol, Karter Scientific 220D6 (Pack of 25)
Ajax Scientific Spring Steel Test Tube Clamp, 16cm Length
StonyLab 50 Pack Borosilicate Glass Round Bottom Test Tubes, 12mm OD X 75mm Length (Pack of 50)