2 Pack 410 Replacement Air Filter, MERV 11,Actual Size: 16"x28"x4", Nominal Size: 16x25x4, HVAC Furnace Filter, Compatible with AprilAire Models 4400, 3410, 2416, 2410, 1610, 1410

Perfect Fit: This 410 filter is an ideal match for AprilAire Whole House Air Purifiers, including models 4400, 3410, 2416, 2410, 1610, and 1410.
Please note: This filter will not function with the 1413 Upgrade Kit (Models 2400, 2140).
Nominal Size: 16" x 25" x 4" (industry standard). Please be aware that this is a common size label and does not reflect the actual dimension. The true size of this filter is 16.04" x 27.91" x 3.91". To ensure a correct fit, always verify the actual dimensions before purchasing. Our unique, patented design makes swapping out your filter simple and secure. It includes four foldable metal rods that offer added support during installation. Furthermore, the anti-friction pads on the top and bottom prevent any scratching or rubbing against your furnace body. With no complex assembly or tools needed, you can complete the task in minutes.
Easy 1-Minute Installation: Have your new filter installed in under a minute! Just unfold the filter, fasten the metal bracket, and slide it straight into your furnace. It's a fully tool-free process.
High-Efficiency Filtration: Built with multi-layer pleated media, this filter delivers excellent air filtration without limiting airflow. By assisting your system in running at peak performance, it enhances energy efficiency and fosters a cleaner, more comfortable home environment