吸水垫

吸水垫, Millipore, filter diam. 47 mm, hydrophilic

吸水垫, Millipore, filter diam. 25 mm, hydrophilic

吸水垫, Millipore, filter diam. 37 mm, hydrophilic

吸水垫, Millipore, filter diam. 34 mm, hydrophilic

吸水垫, Millipore, filter diam. 13 mm, hydrophilic