Organic Air HEPA Filter 8 $50-$100 • Boosts production of essential

• Boosts production of essential oils and fragrances

This is the first pure-nitrogen product on the market that is not a salt-based mineral or urea-based nitrogen

Doubles standard green carbon filter

You'll Love The Way That Promoting Root Growth Gives You Maximum Yields

or with the turn dial

Organic Air HEPA Filter 8 $50-$100 • Boosts production of essentialPhat HEPA Intake Filter, 8" The tightly woven synthetic HEPA fibers in this filter will help prevent mold, bacteria, pollen, insects and plant pests from entering your growroom or greenhouse. The HEPA fibers block out most airborne particles down to . 3 microns in diameter. That is 300 times smaller than the diameter of a human hair. This is a serious insurance filter, without it you are leaving your grow room susceptible to the elements.