Caps/Septa, Crimp, headspace, 20 mm, Silver Aluminum Cap, PTFE/Silicone Septa, Certified, 100
Lab Clear Vials with Write-on Spot and Graduations, 9mm Blue ABS Screw Caps & Septa for GC Sample Vials, 100 Pcs Cap, crimp, headspace, aluminum, PTFE/silicone septa, 20 mm, 100/pk. Cap size: 20 mm Product details 5.71 x 5.63 x 1.26 ...