Want to know and control the temperature inside your fermenter? This thermowell allows you to insert a thermostat temperature probe into the middle of the fermenter for an accurate temperature reading.
Features a #6 stopper for use with 5, 6 or 6.5 gallon carboys (does not plastic carboys). The thermowell itself is stainless steel and measures 14 7/8", with the stem being 13 3/4" in length with an Outer Diameter of 5/16" and an inner diameter of 1/4". The stopper's dimensions are 1 1/4" x 1 1/8". Can be used in any container with a stopper opening where you require accurate monitoring and need to control liquid temperature