Chromatography Blotting Paper - 2228-8105 - Grade 222, 8cm x 10.5cmAhlstrom Munksj Grade 222 0. 83 mm 220 mm 30 min This medium thick paper offers extremely high flow and is recommended for both electrophoresis of large molecules and as a blotter to complete the blotting sandwich in gel transfer applications. Ahlstrom Munksj Grade 222 has a smooth and uniform texture which assures continuous contract of buffer from the chamber through the gel and transfer membrane to the opposite pole or weight. (100 box)