China 1.5ml 9mm Vial Screw Neck Sample Vial Caps, Find details about China 9mm Vial, HPLC Vial 1)9mm screw vials can be used on all common autosampler. 2 mL Screw Top Vials and Screw Caps | Aijiren Our screw top vials and screw caps are the perfect fit for HPLC and GC glass inserts or polypropylene inserts; Precision-formed neck for optimal