Sapphire Plunger Back Catalog number: CTS-10303 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21628 Peristaltic Pump Tube Kit, 2G Price on request CTS-21635 Gasket, 2/pk Price on request CTS-21571 Seal Washer, Syringe, WPS 5/pk Price on request