18x36x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack hawthorne Air Purity and Fresh Air

Air Purity and Fresh Air

soil and all other grow mediums

• Internal check valve

• Automatically controls pH direction up or down

• (3) 1/4" x 48" SS JIC braided hose

18x36x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack hawthorne Air Purity and Fresh AirNordic 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.