14x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack fans-ventilation-ducting Optimized lens for a 5'x5'

Optimized lens for a 5'x5' area

porosity and high cation-exchange capacity

It increases the SIZE and MASS of flowers and stimulates resinous oil as well as fragrance production in many culinary and medicinal herbs

check out the Hydrologic GroGreen Water Filter

The increased PAR creates larger plant mass as well as better seedling growth

14x28x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack fans-ventilation-ducting Optimized lens for a 5'x5'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.