3 Used Pyrex Quickfit MF 28/52 cold traps with main connection of 34/35 and two other connections of 19/26. 2 used Quickfit MF24/5 test tubes 250x41 mm (195 ml capacity). Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A) Designed for use in vacuum systems to prevent vapours and volatile materials from damaging pumps, etc. To be used with a QUICKFIT® MF24/5 Test Tube 250x41mm with ground socket NS 34/35 as the cold trap body The trap head can be connected to flexible vacuum hose using QUICKFIT® tubing adapters MF10/2B/SC and MF13/2/SC
eBay