Sapphire Plunger Back Catalog number: CTS-5656 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-00230-02 O-Ring, PTFE Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request