Rotor Seal, 2-Groove Back Catalog number: CTS-21163 Availability: In the manufacturer's stock Price on request - + Recommended CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-A11374 Tube Assy, SSV to I2V Price on request