Clamp free and o-ring free jacketed reaction vessels offer three to four necks for stirring, addition and temperature control. The necks on the 250 ML, 500 ML and 1000 ML are fully jacketed. The jackets on the 5000 ML and 10000 ML sizes cover approximately 75% of the inner vessel.
Unit of Measure


N/A 5000 mL

Side Neck

N/A 45/50

Center Neck

N/A 24/40