QUICKFIT® Adapter, expansion, ground socket NS 14/23 & cone NS 10/19

Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)"##2022:: Useful for the connection of dissimilar sized ground glass joints
"##2022:: Large sized socket at the top and small sized cone at the base, Useful for the connection of dissimilar sized ground glass joints, Larger sized socket at the top and smaller sized cone at the bottom, Items marked with an * comply with DIN 12257