Outstanding Compatibility: Our furnace filters are compatible with a wide range of AprilAire models, including 141016102410241634104400, and Space Gard 2400 with an upgrade kit. This versatility ensures an ideal fit for various HVAC systems, providing seamless integration and better performance High-Performance Purification: This HVAC filter features a MERV 11 rating, effectively absorbing and capturing a wide array of airborne impurities. It excels at filtering out minute particles and harmful substances such as pollen, secondhand smoke, pet dander, and debris, ensuring that the air in your environment remains cleaner and healthier Flawless Fit: Our AC filter measures 20 x 25 x 4 inches, precisely fitting your equipment space. It seamlessly aligns with your air conditioner's intake and outlet vents, effectively preventing air leakage through gaps