17x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack commercial-greenhouse-fixtures By providing these building blocks

By providing these building blocks

Healthy microbial life in the rhizosphere helps both mobilize nutrients and benefit water and oxygen absorption in the root zone for faster and stronger growth

equals approximately ¼ cup

All this results in an increase in flower mass and overall size to deliver an impressive crop yield

17x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack commercial-greenhouse-fixtures By providing these building blocksNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.