HDD-150PE 6 Inch 354 CFM ECO-Watt Ultra Silent Inline Duct Fan With Free Speed Control

• Silent inline fan body is made of environmental protection material with beautiful lines and light weight, double insulation.
• Fan blade is designed according to hydrodynamic principle to reach the optimal airflow and air pressure, high efficiency working and low energy consumption.
• Duct Fan inside produced with acoustic hole and acoustic cotton to reduce noise level.
• Double diameter connection, sealing-up, leak-proof and shockproof.
• Backdraft damper designed inside, to prevent return air and insects.
• Protection class: IP44.
• Can be designed with user friendly features such as time delay, temperature sense, humidity sensor or other customized functions.
• In automatic mode, the controller controls the fan at high speed when the air quality is higher than the set value (temperature, humidity, VOC value), and the fan stops only when the air quality is lower than the set value.
• The silent duct fans offers solution to ventilation problems, especially in places where people work and live and low sound level is required, such as meeting room, office, hotel, public place, residence, hospital, gym and etc.
• Duct Size: 6”| Airflow: 354 CFM | Air Pressure: 498 Pa | Noise: 31 dB | Bearings: Dual Ball

Optional Functions

• Fan AUTO/Manual mode switching freely
• Low, medium, high air speed optional
• Detect environmental temperature
• Detect environmental humidity
• Detect environmental VOC value
• 1-30 minutes timer setting