Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12013 Tungsten Lamp (1000 hr) Price on request CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request CTS-11093-02 Plunger, 2/pk Price on request