Active Air Carbon Filter, 6" x 24", 500 CFMRemove the strong odors, VOCs, and gases from the air with Active Air Carbon Filter. It has a wide variety of applications like grow room, hydroponics, grow tent, etc. It has a powder coated aluminum base and top for longevity, 1. 8" carbon bed depth and microporous virgin Australian granular carbon surface for quick absorption of air pollutants, etc. High Surface Area: The carbon filter comes with a high surface area that ensures quick absorption of