18x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Formulated for use with all

Formulated for use with all grow mediums

and this case of 25 pouches covers up to 1

Once buried

non-spiraling root systems that are impossible to develop in any other available container

economy and extend longevity

18x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Formulated for use with allNordic 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.