Nominal: 20 x 20 x 5, size: 20 3/4"x20 1/4"x5 1/4" 20x20x5, ac furnace air filter comparable to filtrete mpr 1000 to 1200 micro allergen defense replaces bryant/carrier part numbers: p102-2020, p102-2020bb, b2-1056, m2-1056, cmf2020, p102-mf14b replaces maytag part number: m2-1056 change frequency 12 months. made in the usa
