Vial, headspace, certified, crimp, clear, flat bottom, 20 mL, 100/pk. Vial size: 22.75 x 75 mm (20 mm cap) Add to Favorites + Create New list Vials and Septa – Laboratory Consumables | Shimadzu Vials and Septa to meet your application: 1.5mL, 4mL, 10mL and 20mL headspace vials, EPA screw vials, crimpers and decappers, MS Certified Kits