The housing is made from aluminium profiles, screw fixed cover plates, which are removeable, powder coated in choice of RAL. The axial fan is polyester powder coated to RAL 7030 colour. It has an integral flow stabiliser and guide vanes to increase pressure and achieve a generally swirl-free outflow. There is an axial impeller (blades adjustable when stopped) mounted directly on to the drive motor. A cable is provided and a fault swith is provided with connections on the outside of the housing.

Optional accessories

• Multileaf damper - mounted on the suction or discharge side, including a spring return actuator (Type SFL, normally open (OPEN))
• Flexible connector - mounted on the suction and/or discharge side
• Protective grille - mounted on the suction and/or discharge side