You are viewing a previously-owned Pyrex round bottom distilling flask, 4-Necked, 1000mL, P/N 4935-1L. This flask has a 34/45 center and 24/40 side top ground joints; vertical orientation.
Condition: Good, with cosmetic imperfections (chemical etchings, slight ring at the bottom) due to previous use. Sold "as is" without warranty, expressed or implied. Buyer is responsible for determining the suitability of this product for their application.