PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5464 Clip Ring, Plunger Retainer Price on request CTS-A11376 Mixer Assembly, 100μL Price on request CTS-2962 Plunger Seal, Gold Price on request