Ace Glass 7814-06 Flask Round Bottom 250mL 0-4mm Hi-Vac Valve Top with 3/8" Cajon Side Port No-Air

A round bottom storage/reaction flask with a 0-4 Hi-Vac valve and a 9mm O.D. side arm tube for use with Cajon® 3/8-inch connections. The Hi-Vac valve gives precise control for gas or liquid flow into or out of the vessel.