20x36x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack air-purification 413 µS/cm conductivity standard that

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

with Samsung LM301B LEDs

Unique aeration channels for improved root health

Stability Indicator - An hourglass indicator is displayed on the LCD until a stable reading is obtained

20x36x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack air-purification 413 µS/cm conductivity standard thatNordic 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.