17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack nutrients and supplements making tap water ideal for

making tap water ideal for the Vermi T extraction process

Stonewool Block

check and adjust the pH to between 5

Flexible Installation – Options for suspended or freestanding installation

17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack nutrients and supplements making tap water ideal forNordic 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.