Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PL7025150 MarvelXACT™ PLS 25µm x 150mm Price on request CTS-11435 Seal, Needle PEEK™ Price on request CTS-11222 Seal Pack Assembly Kit Price on request