Outlet Check Valve Back Catalog number: 11-4063 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request CTS-11435 Seal, Needle PEEK™ Price on request 11-2569 Seal Extension Tube Price on request