GC Vials ND20 headspace 20ml (Crimp Vials) ,ND20 GC VIALS,22ML headspace vial,22ml gc vials,22ml gc vials
GC Vials ND20 headspace 20ml (Crimp Vials) 20mm Aluminum Crimp Cap Seals and Vials ensure that a proper seal is made for this demanding application Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and