13x20x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack air-purification Multiple units can also be

Multiple units can also be chained together to cover larger areas

It has also be shown to spur a plant's natural defense mechanisms

CO2 Sensor Type:                               NDIR (Nondispersive Infrared)

Each clip measures 1

root aphids (Rhopalosiphum rufiabdominale)

13x20x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack air-purification Multiple units can also beNordic 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.