19&rdquo; Rack Mount Cooling Fan System - Three Powerful Exhaust Fans, Expels 324 CFM Of Heated Air, Ultra Quiet, Mountable On All 19 Inch Racks, By GMI Pro PROTECTS EQUIPMENT: Our triple cooling fan features 3 powerful exhaust fans that draw hot air away from your equipment, preventing it from overheating for maximum performance. DURABLE CONSTRUCTION: Our cooling fans are constructed with durable materials that will stand the test of time so you can benefit from long lasting protection for your equipment. MULTIPLE FANS: This cooling fan system contains three fans to ensure that you get high power performance, and gets the job done for all equipment set ups, no matter the size! ULTRA QUIET: Our triple cooling fans deliver high power cooling without making a lot of noise & wont compete with the sound coming out of your speakers during live performances. STREAMLINED DESIGN: GMI Pro's Triple Cooling Fan System features a neutral color and streamlined design that wont clash with your equipment, and will compliment any set up.