Plunger Seal Back Catalog number: CTS-2294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21240 ACQUITY I-Class SM-FTN Performance Maint. Kit,2890 Price on request CTS-11366 Piston, High Pressure Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request