Magnetic Screw Cap for Headspace Vials, 18 mm thread, PTFE/silicone septum (white PTFE/tranparent blue silicone), septum thickness 1.3 mm, pkg of 100 ea NACRES: NB.11 PROPERTIES material PTFE/silicone septum (white PTFE/tranparent blue...
- Weight:
- 4.00 LBS