38 MM x 4 MM Schott Heavy Wall Tube Amount:Single Tubes is protected with a high-nickel

is protected with a high-nickel stainless steel sheath for long

(The temperature controller will continue to operate when the safety switch turns off the elements

This type of relay far outlasts mechanical relays

Cleaning & Maintenance

If you prefer an element in the top instead of the walls

38 MM x 4 MM Schott Heavy Wall Tube Amount:Single Tubes is protected with a high-nickelAll Full Size tube's will be cut for shipping. Add a note in checkout if full length is required. There will be an additional freight charge for full length tubes and rods. This quality clear borosilicate glass tubing can be used for all applications. OD 38. 0mm OD Tolerance + 0. 15mm Wall Thickness 4mm Wall Tolerance + 0. 04mm ID 32. 4mm Length 1500mm Pieces Per Case 9 Case Weight 29 lbs Approx. Piece Weight 2. 30 lbs