Sapphire Plunger Back Catalog number: CTS-11434 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21100 UPLC Check Valve Assy, Spring Loaded Price on request CTS-5313 Compression Screw, SS Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request