Product details:

Aprilaire 410 Air Filters are designed exclusively by Aprilaire to work with Aprilaire Model 1410, Model 2410, and Model 3410 Air Purifiers. - High-efficiency MERV 11 rating - Genuine Aprilaire Self-Seal #410 ensures the best performance - Change Aprilaire 410 Air Filters as needed - The replacement filter 413 can also be used with the Aprilaire Model 1410 Air Purifier to remove finer particulate from the air stream for those suffering with asthma or allergies.