Latest Updates of Crimp Top Vials supplier,manufacturer and . crimp 75mm rounded bottom ptfe septa headspace vial aijiren Vial Selector Headspace crimp top vial, 20 mL, 23 x 75 mm, clear, round bottom. Maximum recommended fill volume is ¾ full: Cap: (100/pk) Headspace crimp cap with septa, 20 mm, silver aluminum cap, PTFE/silicone septa.