16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 2 Pack pest-and-disease-control tuber and bulb crops

tuber and bulb crops

Coverage Recommended: vegetative 4'x4' and flowering 3'x3' coverage

000-hour average life

Specification

• Humidity

16x20x4 (3 5/8) Pleated Air Filters MERV 14 Plus Carbon 2 Pack pest-and-disease-control tuber and bulb cropsImportant 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