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 and a 5-year warranty guarantees 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!