Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-A11142 Tube Assy, Inject Outlet Price on request