Nordic Pure 20x25x4 MERV 13 Pleated Plus Carbon AC Furnace Air Filters 2 Pack.

Nominal Size: 20 x 25 x 4, Actual Size: 19 1/2 x 24 1/2 x 3 5/8 (19.5 x 24.5 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 20x25x4 Plus Carbon or an air filter with an MPR rating with an actual depth of 4 3/8, please see our 20x25x5 (4 3/8 actual depth)

Nordic Pure MERV 13 is equivalent to MPR 2200-2400

Made in the USA