Feature

●MERV 11
●GFI #4368
●Nominal Filter Size: 20x25x4
●Actual Filter Size: 19-7/8" x 24-7/8" x 4-3/8"
●Recommended Filter Replacement: Every 6 Months
●Replacement filter for: Source 1 #S1-FM10202505HW and Honeywell FC100A1037


Description

GeneralAire 11-GA100A37 (2-Pack) - 20" x 25" x 4" Replacement Filter for Honeywell FC100A1037, MERV 11. GeneralAire GFI # 4368