PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5669 Oil Seal Price on request 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-10475-1 Sapphire Plunger Price on request