AMANA M1-1056 GENUINE ORIGINAL 16x25x5 (Actual Size: 15-3/8 X 25-1/2 X 5-1/4) MERV 11 MEDIA FILTERS CASE OF 3, PRIME OEM PRODUCT. GENUINE OEM PRODUCT ANominal Size: 16" x 25" x 5" Actual Size: 15-3/8" x 25-1/2" x 5-1/4" MERV 11 (ASHRAE 52.2), High Dust Holding Capacity Low maintained pressure drop for longer life