These Manrose in-duct mounted mixed flow fans have been designed to produce higher working pressures for applications that require high air flows, with low relative noise. Mixflo fans can be mounted in a variety of applications as shown and are suitable for use with either rigid or flexible ducting. It features high quality ball bearing, long life motors, continuously rated and warranted for a minimum of 30,000 hours or 3 years. Easy installation and maintenance with the fan assembly easily removed from rigid ducting installations using the specially designed construction. RPM High: 2400 RPM Low: 1700 Wattage High: 48 Wattage Low: 42 Maximum Airflow (m3/hr) High: 500 Maximum Airflow (m3/hr) Low: 400 Maximum Airflow (l/s) High: 138 Maximum Airflow (l/s) Low: 111 Maximum Pressure (Pa) High: 360 Maximum Pressure (Pa) Low: 320 dB(A) 3m* High: 35 dB(A) 3m* Low: 31 Max Operating Temp ºC: 40 Hole Size: 6\" High air flows are achieved through flexible duct Compact overall dimensions 3 speed fan settings Double Insulation - no earth required Fully Building Code compliant Fully BEAB approved rated to IPX4 Dimensions: Height: 252mm x Width: 307mm x Depth: 226mm