Gorilla Carbon Filter 4"x12"

4×12 6×24 8×24 Duct Size 4″ 6″ 8″ Length 12″ 24″ 24″ Airflow Rating 200 CFM 500 CFM 700 CFM Weight 7.6 lbs. 17.75 lbs. 21.9 lbs. Carbon Type  Coconut Carbon Coconut Carbon Coconut Carbon Bed Thickness 2″ 2″ 2″ Recommended Tent Size 2×2, 2×4, 3×3, 4×4 5×5, 4×8, 5×9 8×8 *Comes with pre-filter and GGT branded elastic bands. Clean, contaminant-free air is one of the most essential elements of indoor gardening. Gorilla Carbon Filters use only Ultra-Activated Coconut Carbon for maximum adsorption and peak effectiveness in eliminating pathogens and odors. The source of carbon is crucial to the effectiveness of your filter. Ultra-Activated Coconut Carbon has a significantly higher density of micro-pores than other forms of activated carbon such as the bituminous coal found in standard odor filters. By utilizing only the best Coconut Carbon, Gorilla Carbon Filters are 50% more effective at adsorbing odors and contaminants than leading alternatives. Plants need fresh, clean air to thrive, and carbon filters remove pathogens, disease-causing spores, contaminants, dust, and bacteria from the air. Those airborne microscopic agents of destruction are constantly trying to infiltrate your grow. The Gorilla Carbon Filter is your weapon of defense against these forces of evil.