10 mL, 20 mm, Headspace Crimp Top Vial with P logo. PerkinElmer. guaranteed to fit and perform with PerkinElmer and non-PerkinElmer instruments. Combine our vials with our Exclusive pressure relief caps/septa to ensure safe analysis at any temperature. Volume: 10 mL Size: 21. 75 x 46 mm I. D. : 20 mm Finish: Crimp Top with Bevel Finish