Vent-Axia ACP Series Powerflow In-Line Duct Fan provides a compact yet versatile designed with the installer in mind, combining the acoustic benefits of a tough plastic casing with the pressure characteristics of a centrifugal fan. Air volume at free air capable of pressure development up to 550 Pa. Powerflow has long inlet and discharge spigots allowing easy installation and fixing. The adjustable mounting foot allows the terminal box to be rotated to any angle and allows plenty of space and adjustment for screw fixing. The robust fire retardant polymeric casing combined with outlet guide vanes ensures optimum airflow management through the unit.