Headspace vials, flat top, rounded bottom, pkg of 100 volume 20 mL, clear glass vial, O.D. × H × I.D. 22.5 mm × 75.5 mm × 12.5 mm, long neck. pricing. SU860051. Vials, crimp top, for Thin Seal volume 20 mL, clear glass (Thin seal vial for SPME), O.D. × H 22.5 mm × 75.5 mm, pkg of 100 ea. pricing.