HPLC sample Equipment | Environmental XPRT. 11mm 2ml aer crimp sample vial with patch•The sealing of crimp vials is the most tightly compare to screw caps, reduced the possibility of volatile sample.•Can be used in general autosamplers, Suitable for use in Aijiren, Shimadzu or Waters Systems, Wide mouth, Borosilie glass, Flat bottom, With marking spot, Cap with teflon/silicon/teflon