20x25x5 MERV 16 Air Filter, 1 Pack, Replacement for Lennox 6675/HCC20-28, Honeywell, Carrier, Trion Air Bear Furnace HVAC Systems (Part HCF20-16)

Nominal dimensions are 20x25x5 inches (actual dimensions are approximately 19.7x24.7x4.4 inches). This is a MERV16 high efficiency air filter for residential or commercial HVAC systems that require this level of filtration performance. | 2,Designed to replace models such as the Lennox X6675, HCC20-28 (part number HCF20-16) . Be sure to check the size and model of your existing filter before installation to ensure compatibility. | 3,This filter captures particulate matter in the air flowing through the HVAC system by physical barrier. A high MERV value indicates a high efficiency rating for capturing fine particles. | 4,The primary use is to help protect the internal components of your HVAC system, such as blowers and coils, from dust build-up, helping to maintain the airflow needed for the system to function properly. | 5,It is recommended to check and replace it every 6-12 months depending on the environment in which it is used. This product is a universal replacement, not a Lennox original part, but with the corresponding product quality guarantee.