Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-10475 Sapphire Plunger Kit Price on request 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request