silicone septa volume 20 mL gc vial glass crimp neck
clear 20ml headspace vials with flat bottom for sale
20ml Crimp Top Headspace Vial in Stock–HPLC Sample Vials 20ml Headspace vials are available in clear or amber glass, which has round or flat bottom in vial. a crimp seal closure with a beveled or square edge finish are available, too.
septa for 20ml headspace vials with screw caps wholesales
Caps/septa, screw, headspace, 18 mm, silver, magnetic, PTFE. Caps/septa, crimp, headspace, 20 mm, small 5 mm opening, for 10 or 20 mL headspace vial...