Lennox X8309 Expandable Filters 16" X 25" X 5" MERV-11

The Lennox X8309 16 Inch X 25 Inch X 5 Inch MERV11 Expandable Filters are modern air filters that enhance the quality of air in the HVAC systems. These filters are MERV 11 which suggest they can capture dust, pollen, mold spores, and dander within the atmosphere. This step increases their size which in turn enhances the area for air to flow and tom enhance filtration. They are designed to fit different kinds of Lennox air handlers and furnaces and as such enhance cleaner air and system efficiency.