20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED Lite Controller (Sold Separately)

Lite Controller (Sold Separately)

For moderately difficult to root woody varieties

Dose rate may be increased 5-fold for hot spots

Moderate pH

hands-on research into compounds that can be beneficial for plant growth and yields

20x27x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED Lite Controller (Sold Separately)Nordic 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.