20x25x4 (3 5/8) Pleated MERV 12 Air Filters 6 Pack covid-19 Flower Finisher is intended to

Flower Finisher is intended to increase terpene profile and aroma while adding natural weight and density

3 pints/kWh

When the temperature in the room has dropped at least 1°F

Can be used at any time in the growing cycle

Refer to the manufacturer's label (DOCS tab) for full crop-specific rates and timing

20x25x4 (3 5/8) Pleated MERV 12 Air Filters 6 Pack covid-19 Flower Finisher is intended toImportant 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 20x25x4 filter