17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack gavita • The recommended pH range

• The recommended pH range is 5

Easily produces 120 gallons per hour of clear water filtered down to 5 microns

Beneficial Nematodes are live microscopic organisms (non-segmented round worms) that naturally occur in soil throughout the world

* Quiet Operation

17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack gavita • The recommended pH rangeNordic 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.