Hydro Crunch 4 in. x 12 in. Carbon Charcoal Air Filter with Flange 190 CFM Exhaust Inline Fans Bacterial spots and rots

Bacterial spots and rots

Optimizes conditions for plant growth

potassium and magnesium

This can be used all year round

This terra-cotta colored tray was designed by Grodan® and is exclusively manufactured for the Grodan company

Hydro Crunch 4 in. x 12 in. Carbon Charcoal Air Filter with Flange 190 CFM Exhaust Inline Fans Bacterial spots and rotsHydro Crunch 4 in. Charcoal Carbon Air Filters remove odors safely and naturally. The virgin activated carbon is the key ingredient for removing all odors organic or chemical smoke, plant, pet and cooking odors are all absorbed, trapped and held in the highly activated virgin carbon and the pre filter will catch any dirt or debris allowing the carbon to do its real job. To use attach to a fan for exhausting and you have an instant neutralizing odor