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-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-10686 Needle Seal, Vespel® Price on request