PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10323 Sapphire Plunger Price on request CTS-11425 Sapphire Plunger Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request