Screw, crimp, snap ring vials and caps. GC/MS & LC/MS Certified Vials 1.5 ml kits with certified reduced adsorption of basic substances TORAST-H Vials 0.15 ml and 1.5 ml low adsorption glass vials, suitable for long-term storage 4.0 ml Kits, Vials and Caps 4.0 ml standard vials, kits and caps Headspace Kits, Vials and Caps