Outlet Check Valve Back Catalog number: CTS-A11187 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PL7025150 MarvelXACT™ PLS 25µm x 150mm Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request