• Watch step-by-step installation instructions
• DIRECT REPLACEMENT FOR APRILAIRE 510 FILTER – Revolutionary new 3" MERV 11 Air Filter featuring TriPure™ Technology plus free, one-time upgrade rails to upgrade performance with ease. Built for a perfect fit with your existing air purifier cabinet.
• ONE-TIME UPGRADE AND EASIER FILTER CHANGES – No tools needed. The upgrade rails slide smoothly into place, and the easy-glide system makes it simple to change the filter every time. Plus, the compatible upgrade rail and filter come conveniently packaged together.
• KEEP YOUR EXISTING CABINET AND UPGRADE PERFORMANCE – Designed to fit all compatible AprilAire 4" whole-house air purifier cabinets
• MEET NEW TRIPURE™ TECHNOLOGY WITH INDUSTRY-LEADING PERFORMANCE AND LIFE – Advanced purification, energy efficient, and long filter life. TriPure™ Technology delivers cleaner air through advanced filtration, greater energy efficiency, and long-lasting protection that keeps your home healthy.
• SURPASSES INDUSTRY REQUIREMENTS FOR MERV 11 – Removes up to 92% of household dust, pollen, and common allergens. Keeps your air cleaner by removing more pollen, household dust, and lint than leading brands and helps reduce your exposure to pollutants linked to higher rates of heart disease, stroke, and other serious health risks.
• ENERGY EFFICIENT – Designed for less resistance and more energy efficiency. Delivers up to 30% lower airflow resistance than leading brands*.
• LONG FILTER LIFE – One filter lasts up to 12 months and up to 2X longer than other leading brands*.
• PROUD PARTNER OF AMERICAN LUNG ASSOCIATION in support of its mission to save lives by improving lung health and preventing lung disease. The American Lung Association does not endorse any product, device, or service.
• WORRY-FREE WARRANTY – Backed by a 5-year whole-home air purifier warranty plus our 10-year Clean-Coil Commitment, which includes $100 toward professional coil cleaning.^^
• HEALTHY AIR APP – Download the Healthy Air App (App Store or Google Play compatible) to schedule reminders for filter replacements and learn more about maintaining Indoor Air Quality
• SUPPORTING YOUR APRILAIRE HEALTHY AIR SYSTEM® – Superior air filtration (part of the AprilAire Healthy Air System) is essential to maintaining a Healthy Home environment. The AprilAire Healthy Air System® (additional components sold separately) combines fresh air ventilation, air filtration, humidity control, radon control, zoning and IAQ control, and UVC sanitization to address all aspects of Indoor Air Quality in the home.
• BUY WITH CONFIDENCE – Don’t compromise on performance. Genuine AprilAire Air Filters are designed and made in the USA by AprilAire, a leader in Indoor Air Quality solutions for the home since 1954.

*Performance results based on controlled testing in accordance with ASHRAE 52.2 2017 test procedure. Comparative results based on published values and may vary depending on system conditions and application.
^^Applies to new HVAC system units with an AprilAire Media Air Cleaner installed no more than 6 months after HVAC system installation. Unit must be properly maintained with air filters being changed according to recommended service schedule.