Description
Actual size is 15.5 x 19.88 x 4.25. Accumulair brand: 16x20x4.25 Day and Night FILBBFNC0017 substitute whole house air filters, specifically constructed to replace original manufacturer Day and Night FILBBFNC0017 filters. Fully assembled so no forming or combs required. MERV rated to ASHRAE 52.2 test classifications establishing particulate capture to the level of the original manufacturer Day and Night FILBBFNC0017 filters. Notice: The sample filter pic shown is not the actual dimensions and is included to show design purposes only. Trade names and Day and Night FILBBFNC0017 part numbers are listed for air filter substitution purposes only.