Actual size is 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Carrier FILCCCAR0020 substitute whole house filters, exactly built to replace name brand Carrier FILCCCAR0020 filters. Completely built with no forming or combs needed. MERV graded to ASHRAE standards assuring particulate filtration as good or better than the name brand Carrier FILCCCAR0020 air filters. Photo: Sample filter pic shown is not to scale and is there to show style purposes. Name brands and Carrier FILCCCAR0020 P/N are used for filter style identification purposes.