Size No. 5- Black Rubber Stopper - Solid, 1-Hole, & 2- Hole

Medical and Lab Supplies Verified independent store

→

Laboratory Grade Rubber Stoppers Black rubber Stoppers with low sulfur content. Rubber stoppers are used to close test tubes and lab glassware, such as Erlenmeyer Flasks, Florence (Boiling) Flasks, and Filtering Flasks, to prevent liquid from escaping. Specifications: Size: 5 Structure: Solid, 1-Hole or 2-Hole options Hole Size: 5mm Top Diameter: 27mm Bottom Diameter: 23mm Fits Flask size: 125mL Flasks Show more