Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-A11145 Tube Assy, System Outlet, SDS Price on request PS7100600 MarvelXACT™ PEEKsil™ 100µm ID x 600mm Price on request