With standard taper top outer and lower inner joints with sealed in drip tip. Serrated hose connection has an O.D. of 10mm at the largest serration for connection to vacuum source.

Available Ground joint:

14/20 Ground joint

19/22 Ground joint

24/40 Ground joint

29/42 Ground joint

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

Linear Coefficient of Expansion------ 33×10-7/℃

Softening Point------820℃