Description
Actual size is 19.75 x 19.88 x 4.38. Brand: Accumulair. 20x20x5 Honeywell F25F1018 style whole house air filters, specifically built to replace original manufacturer Honeywell F25F1018 air filters. Fully box-formed so no assembly or combs required. MERV classified to ASHRAE 52.2 test grades ensuring particle capture to the level of the OEM Honeywell F25F1018 filters. Notice: The sample air filter image as displayed is not the actual dimensions and is included to show style only. Trade names and Honeywell F25F1018 identifier shown for filter style purposes.