Flask has a #15 o-ring joint on the sidearm and a  valve to control gas or liquid flow into the vessel. All sizes are of heavy wall construction, and are used with manifolds or any other Airfree component with a #15 o-ring joint.

If you need other dimensions or ground joint,Please contact with us by the leave a message

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560℃

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

Softening Point------820℃