Ace Glass - 250mL Boiling Flask, Round Bottom, 4-Necks - The four necks of this flask all have ground glass, 24/40 tapered joints. It looks unused, though used, or not, it's in excellent condition, as pictured. Also shipped with the used cork ring, as pictured.

Free shipping in the United States. Elsewhere to be quoted, via the USPS Priority Post, or First Class International Mail.

Thanks for looking and hopefully purchasing!!