OdorStop Axial Blower (OS2700) 1 hp, 3,450 rpm thermally protected motor/powerful 2200 cfm/39 Extra long 30 foot safety yellow power cord/tough roto-molded poly housing/capable of connecting up to 125 of duct Can connect to any flexible 12 duct/positive or negative air flow High 260 static pressure/115 volt, 9 amps/built-in cord wrap Stackable up to 3 high for easy storage/excellent for confined spaces/etl/ce/saa certified