PYREX 250mL Three Neck Distilling Flask with 19/22
Corning These 250mL PYREX(r) three neck flasks have two angled side necks at the same height with 19/22 Standard Taper outer joints and a center neck with a vertical 19/22 Standard Taper joint. This 250mL flask is also a replacement part for organic chemistry kits Nos. 6949E and 6949G-2. - COG
