Description
Actual Dimensions: 20.75 x 20.63 x 5. Brand: Accumulair. 20x21x5 Comfort Plus FR1600 style whole house filters, specifically designed to replace the original manufacturer Comfort Plus FR1600 filters. Completely built with no forming or combs required. MERV graded to ASHRAE 52.2 test specifications ensuring performance equal to the original brand Comfort Plus FR1600 filter. Photo: The example filter pic as displayed is not true to size and is displayed for construction purposes. Name brands and Comfort Plus FR1600 identifier are shown for filter substitution purposes.