Ace Reaction Flask Head w/ Thermometer Joint, Fits Flask 2,000 - 4,000 mL, Center Joint: ST/NS 24/40, Side Joint: ST/NS 24/40, Ace Glass (CAT#: STEM-L-0199-LKN)

Ace Reaction Flask Head w/ Thermometer Joint, model 651330 is manufactured by Ace Glass. This product is for use with reaction flasks, fits flask 2,000 - 4,000 mL. This head has three in-line joints and a #7 Ace-Thred, internally threaded side opening for thermometer (6 to 7 mm o.d.). The thread forms a compression seal with the bushing and allows vertical adjustment of the thermometer.