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 ...
Magnetic Screw-Thread Caps, 18 mm, 1000pk Product Name: Magnetic Caps and Septa Septa Material: Red PTFE/Silicone, 1.9 mm thick Type: Screw-Thread Cap Size: 18 mm
Magnetic Screw-Thread Caps, 18 mm Product Name: Magnetic Caps and Septa for SPME Similar To: Restek 22796 (discontinued) Septa Material: Blue PTFE/Silicone, 1.5 mm thick Type: Screw-Thread ...