Plunger Seal Back Catalog number: CTS-10693 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21171 Rotor Seal, H-Assy, 6 Port 2-Position Price on request CTS-10324S Seal Pack w/Needle Price on request 11-4126 Plunger Seal and Back Up Ring Price on request