Rubber Stoppers, Serum / Lyo / Injection Grade
13 mm / Serum
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Bromobutyl and chlorobutyl rubber stoppers for glass vials, sold in serum, lyophilization, and injection grades across standard 13mm, 20mm, and 32mm crimp finishes. Pairs directly with our Type I borosilicate vial line and flip-off seals.
Rubber Stoppers, Serum / Lyo / Injection Grade
Related guides: Lyophilization vs serum stoppers: venting, moisture and when to specify each · 13 mm vs 20 mm stoppers and seals · How to crimp vial seals