Microsolv Headspace Crimp Cap silver, aluminium, 10mm center hole, with translucent blue Sil/white PTFE Septa, for 20mm Crimp Top Headspace vials, 100

Caps, Headspace, Crimp Top, with Translucent Blue Silicone Rubber / White PTFE Septa, fitted in Aluminum, Silver Caps with 10mm center holes. For use with 20mm Crimp Top Headspace Vials. MicroSolv Brand