Nominal Size: 16 x 20 x 4, Actual Size: 15 1/2 x 19 1/2 x 3 5/8 (15.5 x 19.5 x 3.63)
Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.
If you are replacing a Honeywell or Lennox 16x20x4 or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 16x20x5 (4 3/8 actual depth)
Nordic Pure MERV 12 is equivalent to MPR 1500-1900
Nordic Pure 16x25x5 (15_3/4 x 24_3/4 x 4_3/8) Honeywell/Lennox Replacement MERV 8 Air Filter 1 Pack
KWD 15
Nordic Pure 20x25x1 (19 1/2 x 24 1/2 x 3/4) Pleated MERV 7 Air Filters 2 Pack
KWD 10
Nordic Pure 20x20x4 (19_1/2 x 19_1/2 x 3_5/8) Furnace Air Filters MERV 10 Pleated + Carbon 1 Pack
KWD 16.500
-10%
Nordic Pure 20x24x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack
KWD 13.500
