Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Back Catalog number: 11-2401 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-A106 Rotor Seal Price on request CTS-A11374 Tube Assy, SSV to I2V Price on request