Amicon Ultra-4 RC filter, 3kDa, Ultracel-3k, 24 pcs, 4ml (THG) Back Catalog number: 6234198 Availability: In the manufacturer's stock Price on request - + Recommended WF-0128 2ml Filtration Tube Nylon, 0,2µm, pk/100 Price on request 4020047 Cirfi MN 439, 4.7cm 44,25 € 431040 cirfi MN 615, 40,0cm 64,66 €