Nominal 4" exhaust, OD of exhaust flanges is ~96mm

Product Detail :

• HF-100PE 4 inch is Direct drive and dust-free: suitable for clean rooms in microelectronics, food and medical industries.
• It comes with with variable speed controller, can precisely optimize the fan's speed and low energy.
• Versatile Application: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.

Design:

• A fundamental solution to sound.
• Precision balanced for quiet and vibration-free operation
• Smaller in size: The design of HF-100PE Mixed Air Flow is smooth and smart. It can be mounted easily and without any extra efforts.
• Powerful and Silent: The improved Mixed flow design combined with a EC motor which is self maintained for a truly quiet and energy efficient performance.
• High quality material: UV and corrosion resistant, durable plastic housing ideal for long duct runs, suitable for air temperatures from -4℉ to 140℉.

Circular Duct Fan:

• Duct Size: 4”| Airflow: 215 CFM | Air Pressure: 546 Pa |Voltage: 100-240V 3800 RPM.
• Pure copper wire motor: sealed all copper motor, high quality, low noise, good conductivity, low-temperature rise, high efficiency, long service life and maintenance-free.
• Metal housings meet code requirements for both residential and commercial applications. High-quality EC rotor motors ensure long life and dependable performance.
• Inline duct fan's blade and the body are made of environmental protection material, light weight.
• Permanently lubricated ball bearing motor for maintenance-free operation

Eco:

• Long life: Long life NMB ball bearing motor (up to 50,000hours) with thermal overload protection
• Air Quality: The Air Purification is AI based, thus you can sit back and relax pure air throughout your room, bathroom or commercials.

Power and Performance:

• Power Consumption: It has a very low power consumption rate. The efficiency is due to by its latest mechanism.
• Application Scenarios: We have designed it to quietly ventilate grow tents, transfer heating/cooling to rooms, circulate fresh air, cool AV closets, exhaust odours with excellent heat exchange rate.
• Easy access to motor and impeller, no need to dismantle duct work

Low Noise:

• This product comes with low noise technology. High quality blades and machine performance makes the very low noise.
• One more important aspect comes with zero vibration, which indicates the perfection of manufacturing of the product.
  

Flow Rate:

Technical Specs:

https://www.hgductfan.com/product/inline-duct-flow-fan/