QUICKFIT® Adapter, cone/screw thread, 18mm thread, 7 - 8.5mm diameter aperture screwcap, cone NS 19/26

Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), Supplied complete with melamine screwcap, silicone rubber sealing ring and PTFE washer, Ideal for connecting thermometers to jointed glassware assemblies, Spare screwcaps, sealing rings and washers are available