20ML Headspace Vials Aluminium Crimp Cap Gas Chromatography Analysis-HPLC GC Vials 20mm AL Crimp Cap & Silicone/PTFE Septa, Kit, Round bottom, 500 Vials, 20mL Headspace vial w/ 20mm AL Crimp Cap & Silicone/PTFE Septa, Kit, Home → Gas Chromatography (GC) → Vials Tel:+8618057059123 E-mail: market@aijirenvial.com Home