Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21264 Uncoated Needle Kit Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request