Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PL7025350 MarvelXACT PLS 25µm x 350mm Price on request CTS-10566 Alliance Head Plunger Seal Kit, 2/pk Price on request 11-3332 100μL Syringe for WPS-3000 Series Price on request