Genuine Electro-Air Part # M1-1056 Size 16" x 25" x 5" (Actual Size: 15 3/8" x 25 1/2" x 5 1/4") MERV 11 Case of 3 GENUINE OEM PRODUCT ANominal Size: 16" x 25" x 5" Actual Size: 15-3/8" x 25-1/2" x 5-1/4"