17.5x21x1 ACTUAL: The actual size of this replacement filter is 17.5" x 21" x 0.75"
MERV 8 RATING: With an efficiency of 70% to 85%, these filters are usually the best option for most residential homes & light commercial units, ensuring airflow in your HVAC system is unrestricted.
FILTERS ALLERGENS: Removes potential allergens such as dust, lint, dust mite debris, pollen, mold spores, and pet dander.
QUALITY REPLACEMENT: Comparable to a 3M Filtrete MPR rating of 300-600 (Clean Living and Basic models).
MADE IN USA: Our pleated furnace filters are Made in the USA and offer a high quality replacement air filter option for your air conditioner and/or furnace unit without the high cost.