M10 threaded thermowell having a ID of .310” that will accept 1/4” thermocouple probes. To enhance the temperature measurement the thermowell should be partially filled with a heat conducting silicone or mineral oil.Like-for-like replacement parts for Applikon® Biotechnology and Broadley-James® brands of bioreactors.Applikon® is a registered trademark of Applikon Biotechnology, Inc. Broadley-James® and Broadley-James Corporation® are registered trademarks of Broadley-James Corporation.