16x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack cleanroom we add a high-quality

we add a high-quality

* Over heat protection

non-woven fabric is breathable

100 output

16x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack cleanroom we add a high-qualityImportant 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