20-400 ADAPTER THERMOMETER, 1 Case

20-400 Thermometer Adapter for Clear-SealTM Connecting Adapter (Case of 1) 
Adapter has an ?O? ring that holds a thermometer or gas inlet tube securely
A grease-free WHEATON? Connection? on one end provides an inert connection with external-threaded glass components
Adapter can also be used with gas inlet tubing and will accommodate any tube with an OD of 5 to 7mm
Please note:This item is made to order.