PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11374 Tube Assy, SSV to I2V Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request