Description
Actual Size: 20 x 25.88 x 4.88. Accumulair brand: 20x26x5 Lennox X0587 replacement whole house filters, specifically built to replace name brand Lennox X0587 filters. Completely box-formed so no forming or combs needed. MERV graded to ASHRAE 52.2 test specs ensuring filtration equal to the original manufacturer Lennox X0587 air filter. Notice: Sample air filter image displayed is not the actual dimensions and is shown for construction purposes. Trade names and Lennox X0587 identifier used for filter replacement identification.