Call Us at 503 482 5475 - Free shipping for orders $300 and above - $60 minimum for online orders CART MENU Open menu www.taglass.com Toggle search bar What can we help you find? Submit search CART Home COE 33 COE 33 Rod COE 33 Tube Ends and Knuckles Tube COE 33 Frit Color Chart Color Chart Sample Packs COE 104 Tube Sale Odd Lots and Experimentals Paul's EXPs Odd Lots Info and Contact About Paul Trautman The Shop Contact Our Quality Control Process Working Tips Distributors Nav Menu 2 COE 33 Nav Menu 5 Nav Menu 6 Nav Menu 7 Home > COE 33 > COE 33 Tube Ends and Knuckles Borosilicate Tubing- Ends and Knuckles Tube Borosilicate Tubing