Standard Opening 1.5mL 9-425 screw neck Vial with inserts Alibaba-Aijiren Hplc Vials. Voa Vial Supplier Manufacturer,Factory. 1.5 ML/2ML 8-425 Screw Neck Autosampler Vials ND8 Material: USP Type 1, Class A, 33 Borosilicate Glass Volume: 2ml (standard volume) 1.5ml (actual volume) Application: HPLC and GC system Dimensions: 11.6 x 32mm Neck