QUICKFIT® Stirrer Guide, with side-arm, ground joints NS 24/29

Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A), Designed to reduce excessive 'whip' in glass stirrer shafts which can lead to breakage, A PTFE bearing is fitted to the bottom of the guide for additional support, Features a side-arm for the introduction of gases or connection to a vacuum supply, Supplied with detachable plastic screw thread connectors which allow 9mm bore flexible tubing to be fitted easily and safely, N.B.: Spare PTFE bearings are available - Item code ST2C