20x25x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack ventilation/air-conditioning • Total Nitrogen (N) 0

• Total Nitrogen (N) 0

highly effective fertilizer

These white frocks are ideal for non-hazardous work environments where you need reliable liquid and particulate protection

or flow from the menu

Relative Humidity: 25-70%

20x25x4 (3 5/8) Pleated MERV 15 Air Filters 6 Pack ventilation/air-conditioning • Total Nitrogen (N) 0Important 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 20x25x4 filter