Mini-Pleat Air Filter Style - Air Filters Box Performance Rating MERV 11 Nominal Filter Size 18x25x2 Filter Efficiency - Air Filters 65 Percent Media Material Synthetic Frame or Header Material Plastic Air Filter Header Type No Header Gasket Location None Gasket Material None Media Color White Media Area 150 sq ft Media Separator Construction Glue Filters Out Auto Emission Particulates Coal Dust Humidifier Dust Lead Dust MERV 9-12 Legionella Milled Flour Nebulizer Droplets