Media Air Cleaner, Install Angle Standard Angle, Maximum Air Flow Capacity 1400 cfm, Filter Efficiency 90 Percent, Filters Down To 1 micron, Primary Filter Performance Rating MERV 8, Primary Filter Type Pleated, Overall Depth 7 1/8 in, Overall Height 20 1/4 in, Overall Width 21 3/8 in, Air Cleaning Method Particulate Filtration, Duct Insertion Length 7 in, Housing Color White, Housing Finish Epoxy Powder, Manufacturer Warranty Length Lifetime Limited Warranty, Standards UL