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-1010T O-Ring, TFE Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request