FILTRATION MEDIA, PLEATED MEDIA PACK, FILTER CARTRIDGE, AND METHODS FOR MANUFACTURING

Filter media is described that includes a filtration substrate having a first side and a second side, and constructed for filtering a fluid by flow of the fluid therethrough from the first side to the second side or from the second side to the first side. The filtration substrate has a first edge and a second edge, and a first end and a second end, wherein the filtration substrate has a machine direction extending from the first end to the second end, and a cross direction extending from the first side to the second side. The filtration substrate includes a plurality of corrugations located in the cross direction and extending in the machine direction. The plurality of corrugations include a plurality of first crests formed along the first side of the filtration substrate and a plurality of second crests formed along the second side of the filtration substrate. The filtration substrate includes a plurality of bosses located along the plurality of first crests or along the plurality of second crests and extending in a direction away from the other of the plurality of first crests or the plurality of second crests. Media packs, filter elements, and methods of making are provided.