SPME Vial Septa, 18 mm, MicroCenter PTFE/Silicone Septa, 1000/pk

SKU: RK23851

Available Quantity : 0

Micro-thin septum center pierces easily without bending needles or breaking SPME fibers.
Thicker outer septum wall secures septum in place and ensures a tight seal.
Versatile closures are suitable for SPME as well as dynamic and static headspace applications.
Septa are manufactured from low-extractability silicone and molded for dimensional conformity.
Available in magnetic 18 mm screw caps and 20 mm crimp caps.