20x20 X 1 In. Pleated Air Filter, Merv 7, 90 Days

20x20x1 True Blue Fiberglass MERV Rating 7, Filter is Effective Against Pollen and Dust/Lint. This filter reduces dust and dirt buildup in air ducts, air conditioners and furnaces.

• Lasts up to 90 days
• MERV 7
• One-sided metal reinforcement
• Effective against the following common contaminants; mold spores, dust mite debris, pollen, household dust, as well as debris and lint