Inlet Check Valve Back Catalog number: CTS-A145 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21567 PM Kit, Seal Wash for Binary Pump G4240A Price on request CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request