Patent ID: 7763104

Claim:
A hydrocarbon adsorption assembly comprising: a first encapsulating layer adapted to be received by an air filter housing; and a carbon based media disposed in the first encapsulating layer, wherein the first encapsulating layer is a single, integral sheet of material that completely surrounds the carbon based media and abuts the surfaces of the carbon based media, the first encapsulating layer configured to collect carbon dust shedding from the carbon based media, wherein the first encapsulating layer is disposed between a first frame and a second frame, the first and second frames abutting opposing sides of the first encapsulating layer, wherein the first frame includes a fastening device having an L-shape with a detent formed at one end thereof, the fastening device disposed at a peripheral edge of the first frame, the fastening device extending from the first frame toward the second frame, the second frame secured to the first frame by the detent of the fastening device.