Description
Actual size is 19.75 x 20.75 x 4.88. Brand: Accumulair. 20x20x5 Ultravation 92-121 compatible whole house air filters, specifically constructed to substitute for the original manufacturer Ultravation 92-121 filters. Completely built with no forming or combs needed. MERV rated to ASHRAE 52.2 test specs establishing operation as good or better than the OEM Ultravation 92-121 filters. Notice: The example filter pic shown is not true to size and is shown for style purposes only. Trade names and Ultravation 92-121 part numbers are listed for air filter replacement purposes.