Home » News » Vials Septa » 10-425 chromatography vial septa with caps Aijiren Qualification of Headspace High Performance Septa by Headspace GC/MS - Aijiren Headspace 20 mL screw top clear vial, 100/pk (p/n ) Vial caps: High Performance septa w/ steel crimp caps, 100/pk (p/n ) High Performance septa w/ steel screw caps, 100/pk (p/n 5190-3986) Crimper: 20 mm