Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Back Catalog number: 11-2401 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11312 PEEK™ Rotor, HPV Price on request PS7100150 MarvelXACT™ PEEKsil™ 100µm ID x 150mm Price on request CTS-21469 250 μL Syringe, High Pressure Price on request