Vial Kit, Crimp Cap, 2 mL Clear, w/ Patch + PTFE/Silicone. 20 ml glass scintillation vials | Sigma-Aldrich Results 1 – 30 of 47 Headspace vial, clear glass, beveled top, flat bottom volume 20 of 1,000 ea Bulk packed vials with screw caps in separate bag.