FiltersFast Compatible Replacement for Carrier MERV 8 (2-Pack) 20" x 25" x 5" (Actual size: 20 1/4" x 25 3/8" x 5 1/4") Carrier 20" x 25" x 5" (Actual size: 20 1/4" x 25 3/8" x 5 1/4") MERV 8 Compatible Filter (2-Pack) Rating: MERV 8 Filter Life: 6 months (depending on use) Made in the USA! Pre-Assembled For Easy Installation