Learn what MERV ratings mean and how to choose between MERV 8 and MERV 13 air filters for better indoor air quality and cleaner airflow. https://docs.google.com/document/d/e/2PACX-1vTEvsKtHat3yZNj8glWOR_3Kgb0vhjNnTrUX0kbmbKQ5vAmPr9diiVQdQKsS3Gzx7GzgQasY_PjaiVd/pub