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-1vT08weijfBCt1i0kbJtFRfCQzWp3Z-AUlliu7lWlnYFNYxwtCkLEdp4O6sb8aCCfYia4RpCwhXj0HOW/pub