Needle Assembly Back Catalog number: 11-3883 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10547 Pump Seal, Gold Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request PS7025350 MarvelXACT™ PEEKsil™ 25µm ID x 350mm Price on request