These 500 mL PYREX® 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.

Item Description:
These 500 mL PYREX® 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.

Product Family Description:
Cat. No. 4965-250 is also a replacement part for organic chemistry kits (Cat. Nos. 6949 through 6949K).
Cat. No. 4965B-500 is also a replacement part for organic chemistry kits (Cat. Nos. 6949 through 6949K).