Elicent brand "AXC" fans made in Italy. Streamline your garden with In-Line Fans. More economical than squirrel-cage fans, in-line fans use about half the power to move equivalent amounts of air. In-line fan blades get wider to move more air so the motor rpms can stay lower, thus consuming less energy. In-line fan motors tend to run more quiet, however, larger blades will produce some wind sound. Elicent In-Line Fans are rated for continuous use, it has weather-proof housing(heavy gauge steel). It can be used with variable speed controls. This product comes with five year manufacturer's warranty.