Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-6613 Black Plunger Seal Price on request PS7100150 MarvelXACT™ PEEKsil™ 100µm ID x 150mm Price on request