Ace Glass 6963-17 Tapered Flask 250mL 5 Neck 24/40 Center (2) 24/40 (2) #7 Ace-Thred

Walls tapered inward toward the bottom to allow continuous operation with smaller volumes. Flasks supplied with center neck and (2) angled side necks. Two other necks are #7 Ace-Thred ports for thermometers, miniature electrodes, etc. up to 7mm O.D.

Supplied with nylon bushings and FETFE O-Rings. 24/40 joints are reinforced.