聚丙烯膜过滤器，孔径45.0 μm

聚丙烯膜过滤器，孔径45.0 μm, Millipore, filter diam. 47 mm, hydrophilic

聚丙烯膜过滤器，孔径45.0 μm, Millipore, filter diam. 25 mm, hydrophilic

聚丙烯膜过滤器，孔径45.0 μm, Millipore, filter diam. 90 mm, hydrophilic