WHEATON L MicroLiter Headspace 20 mm Tan PTFE / White Silicone Septa,
WHEATON? ?L MicroLiter? Headspace 20 mm Tan PTFE / White Silicone Septa, All, Case of 100
20mm rubber stoppers for use with precision made crimp top headspace vials
Septa designed for optimum performance in a variety of applications and heat ranges















