Filter cartridge and methods of making and using

A filter cartridge that comprises

• a first end component, a second end component, and a filter media positioned between the first end component and the second end component, the filter media maintaining separation between the first end component and the second end component to allow for air flow through the filter media;
• wherein the first end component and the second end component include a series of projections that partially cover the filter media to protect the filter media from damage when the filter cartridge is handled.

A filter cartridge comprising:

• a first end component, a second end component, and filter media positioned between the first end component and the second end component, the filter media maintaining separation between the first end component and the second end component to allow for air flow through the filter media;
• wherein the first end component includes at least one protrusion configured to interface with second end component to resist compression of the first end component towards the second end component other during use;
• wherein the cartridge is assembled together by adhesive binding the filter media to the first end component and the second end component.