Ace Glass 6702-19 Large Scale Flask, 149.5 mm Flange O.D., 321 mm Height, 6 L

These large size evaporation flasks are fabricated from heavy wall flask blanks selected for balance and quality. Necks are carefully fabricated to prevent "rotational whip". Flasks are made from clear plain glass. The XL size flange is compatible with the 150 mm, and is standard for Buchi® Model R220 rotary evaporators.