Shur-Safe (Cenco) 12445-602 Cork Ring - 140mm OD (Pack of 12)

The ideal rest for round bottom flasks and other round bottom glass vessels. Compressed cork, natural. Economical and from a renewable resource. Lightweight, tough. Good thermal resistance.

For 1000-3000mL round bottom flasks. Measurements: 90mm ID x 140mm OD x 30mm H

Price is for one bag of 12 cork rings.