13x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack spl_spectrumking Fully sealed

Fully sealed

Humic acid from langbenite

When using in hydro systems

Using (32) high-intensity

Foliar Application:

13x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 12 Pack spl_spectrumking Fully sealedNordic 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.