Outlet Check Valve Cartridge Back Catalog number: CTS-0620 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11374 Tube Assy, SSV to I2V Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request CTS-5656 Sapphire Plunger Price on request