Aijiren - Vial, crimp top, headspace, amber vials, flat bottom, certified | analytics-shop.com Vial, crimp top, headspace, amber, graduation marks and write-on spot, flat bottom, certified, 20 mL, 23 x 75 mm, 100/pk. Vial size: 22.75 x 75 mm (20 mm cap) JavaScript seems to be disabled in your browser.