The Active Air Heavy Duty 18" Pedestal Fan provides superior air circulation with excellent durability. Each unit has been manufactured to ensure safety, reliability, and ease of use. Its motor is redesigned for stronger performance and are built for years of continuous use. It comes equipped with industrial strength aluminum fan blades and operates at three speeds with a smooth side-to-side oscillation. This heavy duty pedestal fan is adjustable in height and utilizes a strong heavy base for stability. It is tough and will easily handle even the harshest grow room environments.