21 1/2x23x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack house and garden soil Day and night setpoints adjustable

Day and night setpoints adjustable from 20% to 90%

Pome & Stone Fruits

Even beginners get professional results

help keep roots healthy

Using a controlled release technology

21 1/2x23x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack house and garden soil Day and night setpoints adjustableNordic 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.