gc headspace vials manufacturer septum and screw cap lab vials supplier. Vials and Septa-Laboratory Consumables|laboratory vials supplier. Vials and Septa to meet your appliion1.5mL,4mL,10mL and 20mL headspace vials,EPA screw vials,crimpers and decappers,MS Certified Kits Part nuer 220-97331-60 220-97331-61 220-97331-00** 228-31600-91 220-97331-58 220-97331-59 Type PP