Borosilicate Glass Claisen Adapter - Two Necks Parallel, Socket Size 19/26, Cone Size 24/29, Each

Details:

Borosilicate glass adapter - two necks parallel, socket size 19/26, cone size 24/29, made of heavy duty borosilicate glass. ( Lower case h shape)eisco labs borosilicate glass has the following heat tolerances: strain point -515°c | annealing point 565°c | softening point 820°c.