Description
Actual dimensions are 20.25 x 25.38 x 5.25. Accumulair brand 20x25x5 Westinghouse MU2025 substitute whole house air filters, specifically designed to substitute for the name brand Westinghouse MU2025 air filters. Fully built - no assembly or combs needed. MERV classified to ASHRAE 52.2 test specifications assuring filtration equal to the original brand Westinghouse MU2025 air filters. Notice: Example filter image shown is not true to size and is there to show style purposes only. Brand names and Westinghouse MU2025 P/N included for air filter substitution identification.