20x20x5 (Actual Size: 20-1/4" x 20-3/4" x 5-1/4") Goodman, Amana & Five Seasons MERV 11 Media Filter M2-1056 (3 Pack) Merv 11 Rated Original Goodman Amana/Carrier/Bryant Furnace filter Five Seasons Replacement Pleated Media Filter 20X20X5 Filter Model Number M2-1056