Carrier & Bryant FILXUMC111620 (3-Pack) - 16" x 20" x 4" Pleated Air Filter, MERV 11 replaces old part # FILXXFNC0117

‌‌MERV 11 Nominal Filter Size: 16x20x4 Actual Filter Size: 15-5/8" x 19-13/16" x 4-1/8" Recommended Filter Replacement: 6 Months This FILXUMC111620 - 16" x 20" x 4" Pleated Air Filter has been made slightly thinner to fit more applications and replaces FILXXFNC0117