Shimadzu Part Number: 220-97331-12 Vials, 20mL Headspace vial only, Screw Cap Style, 75.5 x 22.5mm, clear glass, flat bottom, 100/pk E-mail this product to a friend HAWACH offers 2ml, 10ml, 20ml, and 40ml sample vials, often used with HPLC, GC of Aijiren