Factory directly supply High Efficiency Tunnel Ventilation Air Duct - Single Way Fresh Air Filtration Systems – Holtop
Factory directly supply High Efficiency Tunnel Ventilation Air Duct - Single Way Fresh Air Filtration Systems – Holtop Detail:
Main Feature
The single-way fresh air filtration system supplies outdoor fresh air to room with high purification. It’s equipped with double filters with PM2.5 filtration rate over 95%. The airflow ranges from 150m3/h to 15000m3/h for different applications. It can be used to work together with Holtop energy recovery ventilator for better air purification either used independently for air purification in air conditioning system.
It has the optional functions of indoor circulation. In the situation when it’s not suitable to introduce outdoor fresh air, it can bypass the air in the room for indoor air purification only.
One product can solve all your air quality problem: fresh air, air purification and cleanness with much lower costs. Please don’t hesitate to contact our sales team for more information.
Specifications:
Model | Speed | Airflow (m3/h) | External pressure(Pa) | Input power (W) | Current (A) | Noise dB(A) | Power supply | Weight(kg) |
DX1.5B2 |
H |
150 |
88 |
56 |
0.31 |
32 |
220V/50Hz |
14 |
M |
150 |
68 |
53 |
0.3 |
31 |
|||
L |
120 |
55 |
45 |
0.25 |
25 |
|||
DX2.5B2 |
H |
250 |
65 |
90 |
0.45 |
34 |
220V/50Hz |
14.3 |
M |
250 |
55 |
82 |
0.41 |
33 |
|||
L |
210 |
45 |
59 |
0.3 |
30 |
|||
DX3.5B2 | H | 350 | 80 | 180 | 0.85 | 37 | 220V/50H | 18.5 |
M | 350 | 17270 | 53 | 0.83 | 36 | |||
L | 260 | 53 | 113 | 0.58 | 32 |
Different installation way for reference:
1)Single-way Fresh Air Filtration System Installation
2)Single-way Fresh Air Filtration + Energy Recovery Ventilation System Installation
Product detail pictures:


Related Product Guide:
Recreational Cancer: Blame Lifestyle and Luck, Not Trace Chemicals | Air Ventilation System
On the eat beat: News Tribune reporters dig deep into Eat Downtown | Silent Ventilation Fan
With reliable excellent approach, great name and ideal consumer services, the series of products and solutions produced by our company are exported to many countries and regions for Factory directly supply High Efficiency Tunnel Ventilation Air Duct - Single Way Fresh Air Filtration Systems – Holtop, The product will supply to all over the world, such as: Guyana, Florence, Bogota, Welcome any of your inquiries and concerns for our products. We look forward to establishing a long-term business relationship with you in the near future. Contact us today. We are the first business partner for you!
Hrv Heat Recovery Ventilator
Single Room Heat Recovery Ventilator
commercial heat recovery ventilator
Heat Recovery Ventilator
Heat Recovery Ventilators

Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
