True Blue Fiberglass Air Filter 30 Days (18 in. W X 20 in. H X 1 in. D)
True Blue Fiberglass MERV Rating 2, 30 Day 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 30 Days
- MERV 2
- Effective against pollen and dust/lint
- Low airflow resistance
- Keeps equipment clean for efficient operation