Aijiren 2ml Amber Vials with Crimp Top for Sale 2ml Amber Vials,9mm thread caps, septums, and vials are specially designed for use with Aijiren and other rotating or robotic arm samplers 2ml, and the 12X32mm vials are manufactured clearly. Type 1 Class A or Amber, Type 1 Class B Borosilicate Glass. Contains write patches for sample identification.