Patent ID: 7097692

Claim:
An air filter arrangement for use in a heating or cooling system, said arrangement comprising: a frame including a pair of frame components disposed in face-to-face relation with one another, each said frame component defining an opening therein, one of said frame components defining thereon a plurality of trimming guides disposed in predetermined locations on said one frame component so as to correspond to at least one standard size, said trimming guides being integrally formed with said one frame component and comprising grooves which extend inwardly with respect to an outwardly facing side surface of said one frame component and which open through said side surface; and a filtration member disposed between said frame components and being exposed through said openings defined in the respective frame components to allow the passage of air through said arrangement, said filtration member having a solid and uninterrupted portion compressed between a pair of opposed sections of the respective frame components to maintain said filtration member substantially stationary relative to said frame components.