Ace Glass 7764-08 Reaction Flask Round Bottom 500mL 24/40 0-4mm Hi-Vac Valve Sidearm with 8mm Septa Port No-Air

Round bottom borosilicate glass flask with standard taper center neck and a 0-4 Hi-Vac valve for precise control. Flask is ideal for simple NO-AIR and vacuum applications. Outlet arm is 8MM and can be fitted with a rubber septa for insertion of samples or additives via syringe.