Airmaster CDU Series direct drive centrifugal upblast / wall fans are used in kitchens, restaurants and food service establishments to remove smoke, odours and excess heat for a clean and comfortable environment. These ventilators have a high vertical discharge design to prevent air recirculation and ensure safety with an emergency disconnect switch. They feature a non-overloading, backward inclined wheel for consistent airflow. These units allow customisable operation through standard variable speed control. They come with rubber vibration isolators for quiet performance and have a compact size for ease of installation.