Patent ID: 7938927

Claim:
A method for fabricating a filter assembly, comprising: securing flat ends of a pleated media pack respectively to a first panel and a second panel of a frame assembly via a lap joint, wherein the lap joint is formed by contacting one of the flat ends with an adhesive to a tab respectively extending from the first panel and second panel of the frame assembly such that the adhesive is positioned between the one of the flat ends of the media pack and the tab, wherein each panel frame assembly comprises a side wall defining an outside wall of the frame assembly, an outer wall extending inward from the side wall and defining an upstream flange, and an inner wall connected to the outer wall by a fold, wherein the tab extends inward from the inner wall relative to the side wall and away from the upstream flange, the tab terminating inward of the fold formed in the tab relative to the side wall, the media pack having at least two mini-pleated regions arranged in v-bank orientation; and securing open ends of the pleated media pack respectively to a top and a bottom of the frame assembly.