UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10324S Seal Pack w/Needle Price on request CTS-21564 Needle, Uncoated 10 Series Price on request 11-3832 Wash Seal, PE, 1220, 1260, 1290 Price on request