Needle Seat Assembly, 0.12mm ID Back Catalog number: 11-3889 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21406 Peristaltic Pump Cartridge, WPS/AC Price on request PL7025600 MarvelXACT PLS 25µm x 600mm Price on request CTS-2369 Sapphire Plunger Price on request