32018F-2375A 20mL Amber Flat Bottom Vial, 23x75mm, 18mm Th read Shelf Pack - 100 pieces; Case Pack - 1000 pieces Standard Headspace Vials with Flat Bottoms Cat. No. Description 310020A-2346 10mL Clear Vial, 23x46mm, 20mm Beveled Edge Crimp 31020A-2346A 10mL Amber Vial, 23x46mm, 20mm Beveled Edge Crimp