Sapphire Plunger Back Catalog number: CTS-11425 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21183 Peristaltic Pump Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request