Photo 1 of Filtrete 16x25x4 Furnace Air Filter MPR 1000 DP MERV 11, Micro Allergen Defense Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 15.88 x 24.56 x 4.31) 16x25x4 2-Pack Air Filter

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Photo 1 of Filtrete 16x25x4 Furnace Air Filter MPR 1000 DP MERV 11, Micro Allergen Defense Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 15.88 x 24.56 x 4.31) 16x25x4 2-Pack Air FilterPhoto 2 of Filtrete 16x25x4 Furnace Air Filter MPR 1000 DP MERV 11, Micro Allergen Defense Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 15.88 x 24.56 x 4.31) 16x25x4 2-Pack Air FilterPhoto 3 of Filtrete 16x25x4 Furnace Air Filter MPR 1000 DP MERV 11, Micro Allergen Defense Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 15.88 x 24.56 x 4.31) 16x25x4 2-Pack Air Filter