13x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Bio-Fertilizer We pair this engineered unit

We pair this engineered unit with our heavy duty multi-pole switch for the ultimate in safety and reliability—the convertibles you can count on

They will also put out organic acids that solubize nutrients for easier uptake

Prefer pre-measured

Monkey Fans are the perfect product to keep air circulating throughout your crops

• Outputs 22 - 46 microns particle size—average droplet 20 micron

13x21x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Bio-Fertilizer We pair this engineered unitNordic 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.