Pyrex 9800-13 13 X 100 mm Glass Test Tube with Rim (Pack of 6)
Ajax Scientific Spring Steel Test Tube Clamp, 16cm Length
Pyrex 9800-25 25 X 150 mm Glass Test Tube with Rim (Pack of 6)
8 Inch Long 5 Piece Pyrex Glass Tubes 12 OD 2 mm ID Thick Wall
6 Pack - 20x150mm Pyrex Glass Test Tubes with Rim and Marking Spot
United Scientific Supplies TTCL03 Test Tube Clamp with Finger Grips, Steel
(Ship from USA) 4 inch long 5 Piece Pyrex Glass Tubes 12 mm OD 2 mm Thick Wall Tubing Heavy *GWE849F EP-21RT11197
Thick Glass Graduated Measuring Cylinder Set 5ml 10ml 50ml 100ml Glass with Two Brushes
ULAB Scientific Glass Test Tubes with PE Flange Stoppers, Vol.16ml, 16x150mm, Extra Autoclavable PP Tube Closures Offered, Pack of 10, UTT1001