Expand your RYOBI 18V ONE+ System with the RYOBI 18V 4 in. Clamp Fan. This 18V Clamp Fan is the ultimate in portability. Not only does it provide cordless power, but it has the ability to clamp to materials up to 1-1/2 in. thick, including pipe and 2-by lumber, providing optimal versatility on the jobsite or at home. With 2 speed settings and a multi-directional rotating head, the RYOBI 18V 4 in. Clamp Fan provides customized, personal airflow. The RYOBI 18V 4 in. Clamp Fan has unmatched airflow for its size, with over 180 CFM. With over 40 hours of runtime, you'll be able to stay cool all day long. This 18V 4 in. Clamp Fan is backed by the RYOBI 3-Year Manufacturer's Warranty. Battery and charger sold separately.