20x20 X 1 In. Fiberglass Air Filter, 30 Days

True Blue 20"x20"x1" 30-Day Fiberglass Air Filter. It is effective against pollen and dust/lint. This filter reduces dust and dirt buildup in air ducts, air conditioners, and furnaces. The EZ Flow II is made from heavy chipboard in a one-piece design. The filtering media is continuous filament spun glass and is made to function without a retainer, by adhering the frame directly to the media which has a light skin to make it self-retaining. UL Classified.

• 20 in.x20 in.x1 in.
• Effective against pollen and dust/lint
• Reduces dust and dirt buildup in air ducts, air conditioners and furnaces
• Lasts Up to 30 Days
• UL Class II
• Low airflow resistance
• Keeps equipment clean for efficient operation