Needle Assembly Back Catalog number: 11-3883 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21015 Ferrule, 1/16", SS, 3/pk Price on request 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request