600/610 Performance Maintenance Kit Back Catalog number: CTS-10985 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11093-02 Plunger, 2/pk Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-1010T O-Ring, TFE Price on request