14x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack shoe-cover to protect your HVAC unit

to protect your HVAC unit and provide cleaner air

which strongly correlates with soil moisture and nutrient levels

413 µS/cm conductivity standard that is prepared against a NIST traceable potassium chloride solution

Thorough plant coverage is essential to obtain optimal levels of control

• Total Nitrogen (N) 0

14x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack shoe-cover to protect your HVAC unitNordic 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.