High Efficiency Pre-Filter And Hepa Filter Ventilation System Fresh Air Ventilator Inline Exhaust Centrifugal Fan

Vairtech focuses on creating high efficiency "mother-infant-level" fresh air Intake exhaust supply centrifugal fan ventilator with hepa filter for the families.

Product Specification:
  • Type : Centrifugal Fan
  • Customized support : OEM, ODM
  • Electric Current Type : AC
  • Blade Material : Plastic
  • Mounting : Ceiling Fan
  • Brand Name : Vairtech
  • Model Number : DPT20-55J
  • Voltage : 220V
  • Duct Dime :
Product Details

linear hvac grillsHepa Box Fan Inline Fan

In order to solve the indoor air problem, Xuxing focuses on creating "mother-child grade" fresh air ventilator for families

  • As a common indoor decoration pollution, formaldehyde can last for up to 15 years and is a carcinogenic gas
  • Dust includes hundreds of atmospheric chemical particulates that can induce multiple respiratory diseases over time.
  • The particles in second-hand smoke can be suspended indoors for a long time, and harmful substances such as nicotine will affect the health of the respiratory system(PM2.5/allergens/pet hair/pollen/harmful gases)

anti bacterial Inline blower fan

Is your living environment really safe? Studies show that indoor pollution is worse than outdoor pollution.

  • Bathroom - Hydrocarbon emissions from cleaners, etc
  • Walls, tiles - ammonia and other radioactive materials
  • Excessive formaldehyde, VOC and heavy metals in paint
  • Air pollution inflow -PM2.5 and other air pollutants
  • Carpets, sofas, bedding - fungi, mites, pet hair, etc
  • Furniture, planks. Formaldehyde released by adhesives

High Efficiency Fresh Air Ventilator

Size parameters

Model A B C D E F G
DPT 10-35M 578 400 400 126 300 447 Φ98
DPT 15-45 578 400 400 200 300 447 Φ145
DPT 15-45M 578 400 400 200 300 447 Φ145
DPT 20-54M 578 400 400 251 300 447 Φ195
DPT 20-55M 578 400 400 251 300 447 Φ195
DPT 10-35J(with filter) 650 470 400 126 370 447 Φ98
DPT 15-40J(with filter) 650 470 400 201 370 447 Φ145
DPT 15-45J(with filter) 650 470 400 201 370 447 Φ145
DPT 20-55J(with filter) 650 470 400 250 370 447 Φ195


Product parameters

Model Power Specifications Power Air Volume Static Pressure Noise Net weight
DPT 10-35M 220V-50Hz 45/30W 230/180m/h 160Pa 25dB 6.2KG
DPT 15-45 220V-50Hz 60/45W 350/250m3/h 220Pa 30dB 7.6KG
DPT 15-45M 220V-50Hz 75/55W 500/420m/h 260Pa 34dB 7.6KG
DPT 20-54M 220V-50Hz 85/75W 920/700m/h 365Pa 38dB 9.0KG
DPT 20-55M 220V-50Hz 130/115W 1200/1050m/h 410Pa 45dB 9.0KG
DPT 10-35J 220V-50Hz 45/30W 160/120m3/h 192/170Pa 24/21dB 7.4KG
DPT 15-40J 220V-50Hz 60/50W 250/200m3/h 240/220Pa 31/25dB 9.5KG
DPT 15-45J 220V-50Hz 75/55W 350/290m/h 270/250Pa 35/28dB 9.5KG
DPT 20-55J 220V-50Hz 130/115W 650/500m3/h 365/300Pa 42/38dB 10.3KG

inline fan with Hepa carbon filters

hvac grilles and diffusers

vairtech factory

   Foshan Vairtech Ventilation Co., Ltd. is the leading manufacturer of ventilation products & air conditioning diffusers and accessories with more than 20 years experience. Now Vairtech is one of leading brands in China.Our company is located in the aluminum hometown of China, Nanhai,Foshan, Guangdong, which enjoys the transportation and raw material convenience.

ventilation company
   We are engaged in R&D of our products, air diffusers, air grilles, air vents, air dampers, flexible ducts, access panels and so on. Now, our products are well sold to more than 150 countries with praise for the great structures, various styles, nice appearance and high quality.

   To meet the new age of globalization, we accelerate the pace of development to make more new products and provide better service to our customers. "Customer first, Quality first"-we are sincerely welcome you to contact us for business.

ventilation system

hvac system

  We started to participate in different exhibitions in 2016, and until now, we still insist on participating in exhibitions.

  On the one hand, to let more people know our brand Vairtech, so that Vairtech has more opportunities to show; On the other hand, face-to-face communication can deepen customers' understanding of Vairtech.At the same time, customers can directly contact our products and have a certain cognition of the qualityand service of our HVAC ventilation products.

ac grilles

ac diffuser

  To date, Vairtech has exported many ventilation products to more than 150 countries and received a lot of feedback from our customers. As shown in the following figure, slots diffuser, disk valve and other feedback. In fact, not only products, our salesman's service is also appreciated by customers.

  Of course, if you receive the product you are not satisfied with the place, welcome to contact us, we will try our best to solve for you. Thank you for your trust and support. I hope we can have a good cooperation opportunity to start.

ac linear vents

linear diffuser ac

According to Vairtech products, you can choose different packaging methods:

  • Internal pvc separate packaging.
  • Outer strong carton packing.
  • Additional pallets and wooden cases are optional.
  • If necessary, special packing can be used.

For specific requirements, please contact the salesman.   

linear air conditioning grilles

linear ventilation grilles

Q:Are you a manufacturer or trading company?

We are professional manufacturer in China,and have been in this field for 20+ years.   
We have professional staff, experienced designers and responsible inspectors to serve you, hoping to achieve a win-win situation.


Q:What products do you mainly produce?

A: We are focus on producing hvac ventilation air grilles, ceiling air diffusers, air vent covers, air dampers & accessories, flexible ducts, access panels,air conditioning accessories and so on.


Q: I have a project, but I don't know which product is suitable, can you recommend for me?

A: You can send the drawings to us, we have professional engineers to answer your questions and recommend suitable products.  We have one-stop procurement, please feel free to send your requirements to us.


Q:Can you change the design of this product?

A: Of course,you need to provide more pictures and information to us as much as possible.  We have experienced designers who are specially responsible for it, and can perfectly restore the design you want.


Q:I like this product very much, but the freight is too high.What's the solution?  

  • A: If you have a forwarder in China, we can ship the goods to your forwarder.
  • A: If you buy other products from other companies in China, you can share the container with our products.
  • A: It is more cost-effective to buy in bulk.  If you are worried about the quality, you can place a sample order first.


Q:How can I get a quotation from you ?

A:You can leave us a message and we will reply to each of your messages as soon as possible. Thank you for your
waiting and support. You can also find our contact information on the contact page.


Technical Support: Magic Lamp