The Milwaukee M18? Brushless PACKOUT? Fan delivers fast 18V Air Speed. The brushless motor quickly propels air up to 20.5 MPH and 850 CFM making the fan ideal for personal cooling. PACKOUT? compatibility provides unmatched mobility, saving down time spent hauling tools on and off the site. The 7-inch blade, optimized for increased runtime, delivers over 3 hours of use on high and 6.5 hours at 75% speed with our M18? REDLITHIUM? XC5.0 Battery. The integrated AC plug offers the versatility to plug in a standard extension cord for extended runtime. This fan has a variable speed dial and a 300-degree adjustable head to provide optimal airflow for any job. The impact resistant design along with dust and water ingress protection withstands demanding job site environments. The keyholes, pass-through holes and PACKOUT? compatibility allows the fan to be mounted in unique positions and orientations across the jobsite. The new M18? Brushless PACKOUT? Fan is the FASTEST 18V PERSONAL FAN.