Wide opening 2ml hplc vials with closures price-Aijiren. – 2ml clear wide opening crimp vial, 100PK | Chrom. Aijiren 2mL crimp top vials are constructed from type 33 and type 51 COE borosilicate glass, with low metal content, to protect your sample from destabilizing or leaching. Vial, crimp top, clear, certified, 2 mL, 100/pk. Vial.