Manufacturer of China Direct Factory Heat Exchanger - Single Way Fresh Air Filtration Systems – Holtop
Manufacturer of China Direct Factory Heat Exchanger - 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:
Automotive Cabin Air Filter Market by Key Players, Growth Factors, Regions and Applications, Industry Forecast By 2023 | Silent Ventilation Fan
On the eat beat: News Tribune reporters dig deep into Eat Downtown | Silent Ventilation Fan
We always believe that one's character decides products' quality, the details decides products' quality ,with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Manufacturer of China Direct Factory Heat Exchanger - Single Way Fresh Air Filtration Systems – Holtop, The product will supply to all over the world, such as: Detroit, America, Angola, Taking the core concept of "to be the Responsible". We will redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
Heat Recovery Ventilators
Single Room Heat Recovery Ventilator
commercial heat recovery ventilator
Hrv Heat Recovery Ventilator
Heat Recovery Ventilator

We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
