Air quality matters. That’s why you trust Aprilaire to keep your home environment safe for you and your family. This genuine Aprilaire 401 Air Filter Replacement is rated MERV 10. That means it makes the air in your home fresh and healthy so your family can breathe easy. Annual air filter replacements are a great way to keep your home and family protected. Aprilaire makes it easy to know what you’re breathing.
* Contaminants removed based on air passing through the filtering system.