Description
Actual size is 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Lennox X5426 replacement whole house filters, exactly engineered to replace original manufacturer Lennox X5426 filters. Fully constructed with no assembly or combs needed. MERV classified to ASHRAE specs assuring particulate filtration as good or better than the OEM Lennox X5426 air filters. Notice: Sample air filter picture as displayed is not the actual dimensions and is there to show construction only. Trade names and Lennox X5426 P/N are included for filter substitution identification use.