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 ratingGenuine Aprilaire Self-Seal #410 ensures the best performanceChange Aprilaire 410 Air Filters as neededThe 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.