UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21591 PM Kit, G4226A Price on request CTS-10560 Seal Wash Plunger Seal, Alliance, 2/pk Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request