Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Nordyne 918377 replacement whole house filters, exactly designed to be an alternative to the original brand Nordyne 918377 filters. Completely assembled so no assembly or combs required. MERV graded to ASHRAE 52.2 test specs establishing particle filtration to the level of the name brand Nordyne 918377 filters. Note: Example filter picture shown is not true to size and is shown for construction purposes. Trade names and Nordyne 918377 identifier included for filter replacement identification purposes.