Needle Seat Assembly, 0.12mm ID Back Catalog number: 11-3889 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11434 Sapphire Plunger Price on request PL7025150 MarvelXACT™ PLS 25µm x 150mm Price on request CTS-21567 PM Kit, Seal Wash for Binary Pump G4240A Price on request