Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5464 Clip Ring, Plunger Retainer Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request