MWA hybridization unit, 48 wells. This device sections a western blot into 48 individual rectangles. Each rectangle is isolated from its neighbors, eliminating any cross reactivity between sections. The top cover plate allows for large hybridization volumes, and has built in cut outs to hold the compression gasket which seals against the membrane underneath. Gridlines are printed on the bottom plate to assist with alignment of the blot to the chamber.