Double Male Flare Fitting 1/4″ MFL x 5/16″ MFL

 Do you have a kettle or cooler but would like the ease and convenience of using a ball valve to

●  Red O-Ring widely used in Homebrew ●  Fits neatly into the 1/2″ Grooved locknut   Internal Diameter (ID): 0.82″ (21mm) Outer Diameter (OD): 1.10″

A SS weldless thermowell is a great way to upgrade a fermenter for temp control.  Simply punch a hole in