16x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack grow-systems-trays-reservoirs For use in hydroponic

For use in hydroponic

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

All-aluminum construction with white gloss finish protects against corrosion in humid environments

No more switching between meters for your routine measurements

Produces enzymes that break down organic matter

16x22x1 Exact MERV 7 Plus Carbon AC Furnace Filters 12 Pack grow-systems-trays-reservoirs For use in hydroponicNordic 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.