Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-A11431-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-5559 Priming Syringe Needle Price on request