High class ventilation fan, Solving pollution effectively indoors and ventilating air without opening windows.
Theodoor Fresh Air Ventilation System
Fresh air and health
It is important to keep the room ventilated! 
Exquisite craftsmanship
The whole machine is made of thick metal material, strong and durable, and has strong anti-rust and anti-corrosion ability.
Superior performance
The ball bearing motor and the centrifugal wind wheel are used to ensure stable operation, large air volume and low noise.
Humanized design
90° three-dimensional structure design, good exhaust and air supply effect. It comes with a check valve, which automatically
opens and closes with the airflow to prevent backflow and mosquito intrusion.
| Model | Power
/Fre.
(V/Hz) | Pipe diameter
(mm) | Air volume
(m³/h) | Rated power
(W) | Static pressure
(Pa) | Noise
(dB) | Net weight |
| High | Low | High | Low | High | Low | High | Low | kg |
| DPM-10A-15 | 220/50 | 100 | 150 | 120 | 30 | 25 | 150 | 135 | 43 | 40 | 2.3 |
| DPM-10A-25 | 220/50 | 100 | 250 | 200 | 50 | 28 | 110 | 102 | 45 | 40 | 2.3 |
| DPM-15A-50 | 220/50 | 150 | 500 | 300 | 52 | 40 | 135 | 135 | 49 | 42 | 3.3 |
| DPM-15A-77 | 220/50 | 150 | 770 | 600 | 90 | 85 | 190 | 185 | 48 | 48 | 4.2 |
| DPM-20A-100 | 220/50 | 200 | 1000 | 800 | 155 | 140 | 210 | 200 | 54 | 53 | 8.1 |
| DPM-20A-150 | 220/50 | 200 | 1500 | 1200 | 245 | 220 | 280 | 250 | 58 | 55 | 9.8 |
| DPM-10A-20-T2 | 220/50 | Air inlet80,Air outlet100 | 200 | 200 | 40 | 40 | 110 | 110 | 43 | 43 | 2.5 |
| DPM-15A-34-T2 | 220/50 | Air inlet100,Air outlet150 | 340 | 250 | 55 | 45 | 140 | 135 | 46 | 42 | 4.2 |
Exhaust fan is one of the most commonly used ventilation fans in the market. Moreover, with the main function of sucking exhaust gas, smoke, sucking smell, and supplying when fresh, it brings a cool and fresh atmosphere to factories, factories, factories, farming households, etc.
The function of a duct fan
The fan has the main function to suck exhaust gas, hot air, unpleasant odors, and dirt from the places where they are generated to bring it to the outside and at the same time provide fresh air for the interior space. Also, this ensures human health, contributes to increased productivity as well as increases the life of machinery and equipment.
