16x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack grow-systems-trays-reservoirs • 100% plant soluble organics

• 100% plant soluble organics for fast absorption

For use in hydroponic

This mixture ensures the right atmosphere for the development of rapid root structures and provides a foundation for vigorous growth

Produces enzymes that break down organic matter

Choose this ballast for its versatile 120V/240V capability (120V cord included

16x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack grow-systems-trays-reservoirs • 100% plant soluble organicsNordic 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.