Inlet Check Valve Back Catalog number: 11-4060 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-10566 Alliance Head Plunger Seal Kit, 2/pk Price on request