20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED disease resistant plants that require

disease resistant plants that require less watering and feeding

Dose rate may be increased 5-fold for hot spots

Moderate pH

Specifically sized to separate leaf from flower

Performance of combustion chamber¹: 23 kW / 30

20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED disease resistant plants that requireNordic 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.