AC Infinity RACK ROOF FAN KIT, Quiet Dual-Fans with Speed Controller, for cooling AV, Home Theater, Network 19” Racks

A quiet dual-fan kit designed to be mounted onto the roof of standard 19-inch racks to provide cooling. Containing standard 120mm fans, it can also replace existing fans that may been included with your rack. Maintaining an optimal temperature for rack-mount equipment prevents overheating, ensures constant performance, and extends their lifespan. Features an inline speed controller utilizing PWM-technology. The fans are housed in heavy-duty cold rolled steel with spiral fan guards. They are CE and RoHS certified, containing dual-ball bearings that are rated at 67,000 hours and allow this fan system to be mounted horizontally or vertically. This complete kit includes two fans, an inline speed controller, rack-roof mounting screws, four rubber washers, corded 6-ft power adapter, and user’s manual. The inline speed controller enables you to set the duct fan’s speed to optimal noise and airflow levels for various environments. Unlike common AC-powered duct fans that suppresses voltage to control fan speeds, th...