21x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack aaron Works with Foliage-Pro® or GROW™

Works with Foliage-Pro® or GROW™ to regulate nitrogen levels for optimal quality and yield

Through the years of testing and research

• Healthier and more consistent clones

This model has been used effectively to reduce odors in grow rooms and drying rooms

21x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack aaron Works with Foliage-Pro® or GROW™Nordic 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.