16x27x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Visual LED alarm

Visual LED alarm

Do not boost or overdrive the lamp

Humboldt Nutrients tests are conducted with a Hanna HI9813-0 meter

Based on 18 hour burn time per day

16x27x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack reflective-and-greenhouse-films Visual LED alarmNordic 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.