Description
Actual Dimensions: 20 x 25.5 x 4.38. Accumulair brand: 20x26x5 Lennox X8788 replacement whole house filters, specifically built to replace OEM Lennox X8788 air filters. Fully box-formed - no assembly or combs required. MERV classified to ASHRAE ratings assuring performance as good or better than the original manufacturer Lennox X8788 filter. Photo: The example air filter pic displayed is not true to size and is included to show style only. Trade names and Lennox X8788 part numbers are included for filter replacement purposes.