Browse My List. 322AXLN-2375. 20mL Clear Headspace Vial, 23x75mm for CTC PAL, Perkin Elmer, Beveled Bottom, 20mm Flat Top Crimp, Long Neck, 1000p. Miscellaneous. Add. Product Added. Browse My List. 327020-3060. 27mL Clear Headspace Vial, 30x60mm for Shimadzu, Flat Bottom, 20mm Beveled Crimp Top, 1000p.