HPLC 9mm Screw Top 2ml Vials for Aijiren. 9 mm screw top vial, 32×11.6 mm, clear glass, high recovery, borosilicate glass. 1.5ml vial with 30ul reservoir for sample concentration and injection, no transfer to micro insert. 9mm high recovery vials, screw neck. Aijiren’s 2ml Glass Vials can be applied in a wide range of fields.