20ml amber crimp-top headspace vial, flat bottom, 22.5*75mm, 5.0 type. VHR2035. 20ml amber crimp-top headspace vial, round bottom, 22.8*75mm, 5.0 type. VH2023. 20ml clear crimp-top Headspace vial, w/write-on spot, flat bottom, 22.5*75mm, 5.0 type. VHR2023. 20ml clear crimp-top Headspace vial, w/write-on spot, round bottom, 22.8*75mm, 5.0 type