16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack bio soil first extraction

first extraction

• Long lumen maintenance—90% output at 70

debris and outside air into ducting

and large scale operations alike

16x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack bio soil first extractionImportant 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 16x20x4 filter