Description
Actual Size: 19.75 x 19.88 x 4.38. Accumulair brand, 20x20x5 Honeywell F100F1020 substitute whole house air filters, exactly constructed to be an alternative to the original manufacturer Honeywell F100F1020 filters. Completely assembled - no forming or combs needed. MERV classified to ASHRAE 52.2 test ratings establishing filtration as good or better than the name brand Honeywell F100F1020 filters. Photo: Sample air filter image as shown is not the actual dimensions and is there to show design purposes only. Name brands and Honeywell F100F1020 part numbers are used for filter substitution purposes.