PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request 11-3343 Tungsten Lamp Price on request 11-3897 Plunger Holder Price on request