Description
Actual dimensions are 19.5 x 19.5 x .75. Accumulair brand: 20x20x1 Day and Night P102-550 substitute whole house air filters, specifically engineered to be an alternative to the original brand Day and Night P102-550 filters. Fully constructed so no forming or combs needed. MERV graded to ASHRAE 52.2 test specifications assuring particle filtration to the level of the original brand Day and Night P102-550 filter. Notice: Example air filter image as shown is not true to size and is shown for configuration purposes only. OEM names and Day and Night P102-550 P/N are used for filter style purposes only.