Actual Dimensions: 19.88 x 24.88 x 4.38. Brand: Accumulair. 20x25x5 Lennox X6673 compatible whole house filters, specifically built to replace the original manufacturer Lennox X6673 air filters. Fully assembled - no assembly or combs needed. MERV graded to ASHRAE specs establishing particle filtration equal to the original brand Lennox X6673 air filter. Photo: The sample filter pic as displayed is not true to size and is displayed for style purposes only. Name brands and Lennox X6673 identifier are listed for air filter style identification.
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