Dec 21, 2007 · Z-VIA-20090796. 20ml Headspace-Vial, 75,5 x 22.5mm, clear glass, 1st hydrolytic class, DIN Crimp Neck, long neck, flat bottom. Vials Introduction – Grace Davison Discovery Sciences – Yumpu Your sample, the type of vial, cap and septa, the solvent used, and the type of Bevel Top.