Control odors and temperature in your indoor grow area with this Active Air ACDF4 4-inch in-line fan! This is not a wimpy inline duct fan. It ventilates 165 cubic feet of air per minute (CFM) and includes an 8-foot, 120-volt power cord. Mounting brackets are provided for easy installation. With its high quality molded impeller and UL-recognized components, this fan is built for quiet operation. An average rated life of 20,000 hours guarantees that this fan is an economical value. Perfect for use with carbon filters, air cooling lighting reflectors, or attaching to ducting to ventilate your grow room!