16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack growing-media A low-linting

A low-linting

Field growers should apply Z7 at first planting and whenever possible thereafter

a property that is essential if automatic irrigation systems are used

The Eugenol and molasses in Part A will make its way down to and kill the roots and/or root ball of the undesired plant

Use as a nutrient or supplement during the vegetative stage of plant growth

16x20x4 (3 5/8) Pleated MERV 12 Air Filters 2 Pack growing-media A low-lintingImportant 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