Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Lennox X8304 substitute whole house air filters, specifically built to replace original manufacturer Lennox X8304 air filters. Fully box-formed - no assembly or combs needed. MERV rated to ASHRAE 52.2 test specs assuring particle filtration to the level of the name brand Lennox X8304 filters. Note: The sample air filter image shown is not to scale and is displayed for construction purposes only. Name brands and Lennox X8304 identifier shown for air filter replacement purposes only.