Key Features: 1.High performance and high efficiency with fan efficiency upto 84% 2.Low sound as low as 75dBA, with AMCA sound certification 3.Each fan is AMCA air and sound certified All Fans are AMCA FEG Certified. Design Features: 1.Aluminum air foil blades 2.Integral straightening vanes 3.Galvanized casing 4.Hot Dipped casing 5.Extended motor leads 6.Integral punched inlet & outlet flanges 7.various mounting options available â?? base mount, ceiling mount, horizontal mount, 8.vertical mount, wall mount, roof mount, ECM motors 9.Various motors options available: Single or two, IE3 efficient 10High temperature operations: 300 ° C @ 2 hours, 400 ° C @ 2 hours Typical Ventilation Applications area include: 1.Supply and return fans for air handling equipment, 2.Emergency smoke and heat exhaust, 3.Stairwell pressurization, 4.Parking garage and storage facility exhaust, 5.Industrial process ventilation, 6.Tunnel ventilation 7.Pressurization â?? hallway, atrium, lifts, laboratory Working applications: 1.Make-up Air 2.Smoke Control