Share it
HDD Series


HDD-125P 5 Inch 167 CFM Ultra Silent Inline Duct Fan

The fan body is made of environmental protection material with beautiful lines and lightweight, double insulation. Read More
Model HDD-125P
Voltage 220-240V/50Hz, 100-120V/60Hz
Diameter 125mm
Current 0.13/0.14Amps, 0.31/0.35Amps
Power 20/35W, 31/40W

Product Detail:

  • HDD-125P 5 Inch 167 CFM is Ultra Silent inline fan body is made of environmental protection material with beautiful lines and light weight, double insulation
  • You can use it for quietly ventilate grow tents, transfer heating/cooling to rooms, circulate fresh air, cool AV closets, exhaust odours.


  • Powerful and ultra Silent: The Mixed flow design combined with a EC motor for a truly quiet and energy efficient performance. With variable speed controller, can precisely optimize the fan's speed and low energy.
  • Duct Fan inside produced with acoustic hole and acoustic cotton to reduce noise level.
  • Precision balanced for quiet and vibration-free operation throughout.
  • Fan blade is designed according to hydrodynamic principle to reach the optimal airflow and air pressure, high efficiency working and low energy consumption.

Ultra Silent - Eco-Watt Powered:

  • Duct Size: 5”| Airflow: 167 CFM | Air Pressure: 159 Pa | Noise: 25 dB | Bearings: Dual Ball.
  • Can be designed with user friendly features such as time delay, temperature sense, humidity sensor or other customized functions.
  • The Backdraft damper designed inside, to prevent return air and insects.
  • It has Stable performance: set with slow starting, no influence during voltage fluctuation.
  • It comes with Double diameter connection, sealing-up, leak-proof and shockproof.


  • Lower air connection costs and faster installation. Protection Grade: IP44
  • 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.

Power and Performance:

  • Power Consumption: It has a very low power consumption rate. The efficiency is due to by its latest mechanism.
  • Exhaust and intake air: Making fresh air to rooms in a quick and reasonably quiet way, circulate fresh air, control humidity, excess heat, smell and air quality in grow area.
  • Removable duct ends with locking tabs for quick removal and easy maintenance.

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.


  • Hongguan, while manufacturing the products focuses on every aspects of quality and usability.
  • Built with cutting edge brushless electronically commutated Motor (EC) motor and dual jet type impeller,


The new and modern technology of Hongguan brings the Ultra Silent Inline Duct Fan HDD-125P 5 Inch 167 CFM is product can be used as the most effective ways to improve your indoor air in all the ways. Reduced expensive cooling bills at home, The silent and yet effective. It comes with double insulation and environmental friendly material. It has a current Sensing Switch which will not only make sure the connection is secure but will also maintain the air quality flow. Small but mighty, you’ll enjoy the power and efficiency of Hongguan Inline silent duct fan. HDD-125P 5 Inch 167 CFM with smart air flow. You can just say Ultra Silent Inline Duct Fan near me and our product will come up! This is perfect product to buy in 2021 equipped with all the necessities.

Optional Functions

  • Timer
  • Double speed switch
  • Temperature, humidity sensor
  • Three-speed motor (high, middle, low)
Model Speed Voltage Size
Air Speed
Air Pressure
Net Weight
HDD-125P H 220-240V/50Hz 125 0.14 33 2250 284 159 25 2.8
L 0.13 28 1850 248 106 22
H 100-120V/60Hz 0.35 38 2250 284 159 25
L 0.31 32 1850 248 106 22
- Can we order goods from you directly?
Yes, we look forward to receiving your order. However, please note our minimum purchase quantity. f you require smaller quantitieswe will be happy to arrange an individual delivery. We would be delighted to assist you.
- Can i get a discount?
This depends on the specific situation, you can call directly to consult.