Inlet Check Valve Back Catalog number: CTS-A159 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-2324 Needle Wash Frit Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request