Air Bear 20x25x5 (4 7/8) Replacement 255649-102 MERV 10 Air Filters 2 Pack Ventilation Will feed your microbes as

Will feed your microbes as well as your plants

Measures 9

this state-of-the-art LED grow lighting promotes compact and vigorous growth and the production of high levels of secondary metabolites through the full spectrum output

still allowing air and water to permeate to prevent fungus and diseases

It provides highly available calcium and magnesium that heavy feeding and heavy yielding plants demand

Air Bear 20x25x5 (4 7/8) Replacement 255649-102 MERV 10 Air Filters 2 Pack Ventilation Will feed your microbes asImportant 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. We also carry 4 3 8 and 5 1 4 inch depth filters,