11mm Crimp Top HPLC Vial for THERMO FISHER–Aijiren Vials for “Aijiren Vials manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B, borosilicate glass Aijiren Vials have a standard graduated write-on patch for easy filling and identification Snap caps used with the Aijiren Vial system are a convenient alternative to aluminum seals Snap caps or aluminum seals ensure a secure seal