Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-3832 Wash Seal, PE, 1220, 1260, 1290 Price on request 11-2569 Seal Extension Tube Price on request CTS-3195 250μL Syringe Tip Price on request