BUY WITH CONFIDENCE This genuine AprilAire 410 alternative air filter out became designed and manufactured in the USA by way of AprilAire – the manager in indoor air high quality strategies – to optimize the functionality of your AprilAire Air Purifier Model: 1410, 1610, 2140, 2400, 2410, 2416, 3410, 4400, or Space-Gard 2400 with Upgrade Kit 1413 VACUUM AND DUST LESS OFTEN by way of preventing airborne debris from selecting your furniture and flooring. This AprilAire 410 substitute air filter gets rid of airborne particles as they battle through the MERV 11 filter including dust, pollen, mold, spores, bacteria, and puppy dander. BETTER PERFORMANCE because of the patented AprilAire Self-Seal Technology which minimizes the amount of air bypassing the filter out EASY AS 1-2-3 TO INSTALL within the unique AprilAire Interlock Rail System. Unpack. Slide in. Close the door. Done. No meeting or cardboard or steel reinforcements needed. NOMINAL AIR FILTER SIZE of 16 x 25 x 4 inches (nominal size is an industry regular clear out length components to help you easily name the right alternative filter and is not the actual size) PROUD PARTNER OF THE AMERICAN LUNG ASSOCIATION in assist of its assignment to save lives by way of getting better lung health and stopping lung malady