16x20x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack Monterey Lawn & Garden Products and concrete

and concrete

This is the real deal for large-scale operations

Decreases premature flower aging

If you are looking for insect control in your greenhouse

Commercial/Residential Odor Control – Reduces odor caused by mold

16x20x4 (3 5/8) Pleated MERV 14 Air Filters 6 Pack Monterey Lawn & Garden Products and concreteImportant 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