A quiet dual fan kit to enable you to control the ventilation and air circulation for a wide range of DIY projects. Features an inline controller to set the fans speed to optimal airflow and noise levels. The kit includes both swivel brackets and wall-mounting hardware to fit various applications. Containing dual-ball bearings rated at 67,000 hours, the fans can be mounted in any direction. Each fan is constructed of heavy-duty aluminum with thermoplastic impeller. The complete kit includes two fans, four grilles, one power plug cord with inline speed controller, two swivel bracket set, and eight wall-mounting screws with nuts. The cord length is 6 feet, plus another 4 feet between each fan. The AC Infinity axial fans are UL recognized under certificate E503903, and also CE and RoHS certified.