20mm Open Top Bi-Metallic Crimp Cap (8mm hole) Red & Silver with 20mm Natural PTFE/White Silicone Septa 3mm Thick. 100pcs/pk, ยี่ห้อ ALWSCI
Cap Material : Aluminum/Metal
Cap Size : 20mm
Septa Material : PTFE/Silicone
Application : Used for ND20 Crimp Headspace Vial
Packing : 100pcs/pack