20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 6 Pack pumps-and-irrigation-supplies • Max-Fan™ is extremely energy

• Max-Fan™ is extremely energy efficient which means a lower lifetime cost

Nordic Pure 20x25x5 Lennox X6673_X6675 Replacement MERV 8 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

5ML – 1 ML PER GALLON

• Gel-filled (non-refillable)

2-stage release mechanism

20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 6 Pack pumps-and-irrigation-supplies • Max-Fan™ is extremely energyImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x20x4 filter