Description
Actual dimensions are 19.56 x 22 x 5.25. Accumulair brand, 20x22x5 Janitrol GMAC-M substitute whole house air filters, specifically engineered to replace the name brand Janitrol GMAC-M filters. Completely box-formed with no assembly or combs needed. MERV graded to ASHRAE classifications establishing particulate filtration as good or better than the name brand Janitrol GMAC-M filters. Photo: Sample filter pic as shown is not true to size and is displayed for style purposes only. Brand names and Janitrol GMAC-M identifier are listed for air filter substitution identification only.