Description
Actual Size: 19.75 x 19.88 x 4.38. Accumulair brand 20x20x5 Honeywell F58A1050 style whole house air filters, specifically designed to replace original manufacturer Honeywell F58A1050 filters. Completely built so no assembly or combs required. MERV classified to ASHRAE 52.2 test specifications assuring particulate filtration as good or better than the name brand Honeywell F58A1050 filter. Photo: The example filter picture shown is not the actual dimensions and is there to show configuration purposes only. Name brands and Honeywell F58A1050 P/N used for air filter replacement purposes.