Amana 9183970 MERV 11 Air Filter 2-Pack-20x25x5. The Filters Fast Brand Amana 9183970 replacement was engineered to remove atmospheric and household contaminants while maintaining the efficiency of heating and cooling equipment. A large surface area media is made from a structured density gradient with an electret charge for higher initial and sustained efficiency over the life of the filer. Replacement filter for the following Amana systems: A13MU2025, A13MU2025-A, ABB2025, AM11-2025-5, AM11-2025-5RA, AM14-2025-5, AMU2025, ARAM-2000, ASAS-18EAC Specifications Part number: 9183970 Dimensions: 20"x25"x5" <B>(actual size: 20-1/4"x25-3/8"x5-1/4")</B> MERV Rating: MERV 11 Filter Life: 6 months (depending on usage and air quality)