Air Filter Pad Pad Nominal Filter Size 15x24x1/4 Performance Rating Less Than 5 MERV Filter Efficiency - Air Filters 60 Percent Media Material Foam Media Color Black Surface Tackifier No Filters Out Carpet Fibers Cockroach Debris Dust Mites MERV 1-4 Pollen Sanding Dust Spray Paint Dust Textile Fibers Removes Particles Down To Greater than 10.0 microns Max Velocity 300 fpm Nominal Height 15 in Nominal Width 24 in Nominal Thickness 1/4 in