The Spider Farmer 6-Inch Air Carbon Filter is a highly efficient device for odor control and air purification in indoor grow spaces. The high-quality Australian activated charcoal is ideal for particle absorption and filtration of the unwanted odors. The granular charcoal catches all the particles while also maintaining a longer lifespan of the device. The structure was made with durability in mind. The exterior structure is made of heavy-duty aluminum flanges and a galvanized steel housing that makes it more robust. The pre-filter is washable and works great at capturing the bigger particles in the air. The 6-Inch Air Carbon Filter is suitable for a wide range of environments such as duct fans, grow tents. Versatile and efficient, it can also be used in bathrooms, kitchens and closets. The Spider Farmer 6-inch Air Carbon Filter offers a maximum capacity of up to 402 CFM. Need less power? Consider the Spider Farmer 4-Inch Air Carbon Filter, which offers a capacity of up to 205 CFM.