![4 inch 6 Tubes 12mm OD Borosilicate Glass Blowing Tubing 2mm Thick Wall Clear Tube: Amazon.com: Industrial & Scientific 4 inch 6 Tubes 12mm OD Borosilicate Glass Blowing Tubing 2mm Thick Wall Clear Tube: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71V5VoFUb6L.jpg)
4 inch 6 Tubes 12mm OD Borosilicate Glass Blowing Tubing 2mm Thick Wall Clear Tube: Amazon.com: Industrial & Scientific
![Pack of 5 Flat Base Glass Test Tubes - Assorted Sizes (30mm x 150mm) : Amazon.de: Business, Industry & Science Pack of 5 Flat Base Glass Test Tubes - Assorted Sizes (30mm x 150mm) : Amazon.de: Business, Industry & Science](https://m.media-amazon.com/images/I/61hhsg-AUBL._AC_UF1000,1000_QL80_.jpg)
Pack of 5 Flat Base Glass Test Tubes - Assorted Sizes (30mm x 150mm) : Amazon.de: Business, Industry & Science
![DWK Life Sciences (Kimble) Disposable Borosilicate Glass Tubes, Clear, 13 x 100 mm, 10 mL; 1000/CS from Cole-Parmer Germany DWK Life Sciences (Kimble) Disposable Borosilicate Glass Tubes, Clear, 13 x 100 mm, 10 mL; 1000/CS from Cole-Parmer Germany](https://pim-resources.coleparmer.com/item/l/dwk-life-sciences-kimble-73500-13100-disposable-borosilicate-glass-tubes-clear-13-x-100-mm-10-ml-1000-cs-3459565.jpg)
DWK Life Sciences (Kimble) Disposable Borosilicate Glass Tubes, Clear, 13 x 100 mm, 10 mL; 1000/CS from Cole-Parmer Germany
![ZFBB Pack of 10 Glass Tube Pyrex Glass Tubes 12 mm OD 2 mm Thick Wall Tubing,12" Long : Amazon.ca: Industrial & Scientific ZFBB Pack of 10 Glass Tube Pyrex Glass Tubes 12 mm OD 2 mm Thick Wall Tubing,12" Long : Amazon.ca: Industrial & Scientific](https://m.media-amazon.com/images/I/51Wj2tFLPsL.jpg)
ZFBB Pack of 10 Glass Tube Pyrex Glass Tubes 12 mm OD 2 mm Thick Wall Tubing,12" Long : Amazon.ca: Industrial & Scientific
![Fisherbrand™ Disposable Borosilicate Glass Tubes with Threaded End With marking spot; O.D. x L: 20 x 150mm Produkte | Fisher Scientific Fisherbrand™ Disposable Borosilicate Glass Tubes with Threaded End With marking spot; O.D. x L: 20 x 150mm Produkte | Fisher Scientific](https://assets.fishersci.com/TFS-Assets/CCG/product-images/11527423_GRP_A.JPG-650.jpg)