Style:413 HEALTHY HOME | Size:Single Pack (1) Product Description A small change can make a big difference for the health of your home environment. Aprilaire delivers that difference with the Aprilaire 413 Healthy Home Filter. It removes common airborne allergens including dust, pollen, mold spores, bacteria, pet dander, and dust mites from the air as it passes through the MERV 13 filter. In addition, your HVAC system is protected from airborne particles, which helps lower your energy costs, and can prolong the life of your equipment. This replacement filter is easy to install, with no assembly or reinforcements to worry about. Our ‘Pure Fit Promise’ means this genuine Aprilaire filter will fit your Aprilaire air purifier exactly, and the patented Self-Seal Technology prevents contaminated impure air from bypassing the filter. Discover a healthier home environment with the Aprilaire 413 Healthy Home Filter Replacement. Note: MERV is a scale used to measure the effectiveness of air filters. Higher number values translate to more effective filtration. Choose the Aprilaire Filter with the MERV rating that fits the needs of your family and home. Performance tested to ASHRAE 52.2 Standard, minimum efficiency reporting value – MERV 13 From the Manufacturer This is the MERV 13 replacement filter for the Model 4400, 3310 and 2410 Aprilaire Air Cleaners. The filter can also be used in the Models 2400 and 2140, provided the Upgrade Kit, part #1413 has been installed. The filter is the heart of the air cleaner and needs to be changed once a year or when your Air Cleaner Control indicates it is time to change the filter. Use only genuine Aprilaire SelfSeal #413 to ensure the best performance of your air cleaner.