Glass Vials 5 Ml at vial gc online High-quality borosilie glass vials, open-top caps, .135" Teflon/silicone septa, pre-cleaned with Certifie of Analysis Each case contains 4 boxes of 72 vials Available in clear and aer and . 0.25 ml 1:1 HCL Preservative, GHS label Made in gc ms vials supplier.