PTFE Diaphragm, 2/pk Back Catalog number: 11-2891 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5559 Priming Syringe Needle Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-3102 Sapphire Plunger Price on request