PTFE Diaphragm, LC-30AD/i-Series, 2/pk Back Catalog number: 11-4122 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11121-02 Wash Seal, 2/pk Price on request CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request