Plunger Seal Back Catalog number: CTS-2294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request CTS-10988 2690/2695 Performance Maintenance Kit Price on request