IMPORTANT NOTICE : Holiday Announcement
Please be informed that Prometheus Hobby will be closed for a public holiday from May 23, 2026, to June 1, 2026.
Our online store remains open, and you can continue to place your orders during this time.
All orders received during the holiday period will be processed and shipped in the order they were received, starting on June 1, 2026.
Thank you for your understanding and patience.
The Prometheus Hobby Team
Borosilicate Tube 28x2.8mm
We import these Borosilicate Tubes from Europe. The quality is superb and the thickness is consistent.
The diameter is 28mm and the wall thickness is 2.8mm. A box contains 25 full length tubes and a tube is 1.5meter in length. You may place you order from the drop menu on right and have options of 1 tube, 1 kg or 1 full box. You may raise the ordering weight by choosing the ordering option and increasing the quantity.