Crisp Filters, 20x20x1 Air Filter, MERV 11, MPR 1000, AC Furnace Air Filter, 6-Pack,CF20x20x1-6pkM11
- ...es with specific air requirement needs should change the filter more frequently. Our 20x20x1 air filter measures 19 ¾ x 19 ¾ x ¾ in size..
- THE HIGHEST STANDARDS: Every single one of our air filters is made in the U.S.A. Our filters come in a shrink wrap protective package to avoid the filter touching dust in transit, which is important to ensure the quality of your filters. We understand the importance of keeping your air clean..