air diffuser

Customized Hvac Ventilation Residential Aluminum Supply Ac Air Linear Slot Diffuser Manufacturers LS-B

Linear slot air diffuser grille is designed to satisfy architectural applications that require continuous lengths without compromising air distribution performance. Linear ac vents is usually install for residential.

Product Specification:
  • Material : Aluminum
  • Material thickness : Standard 1.3mm
  • Slot Width : 20mm
  • Finished : Powder coated or anodized finish
  • Color : Standard wihte or anodized silver
  • Size : Any size is available
  • Accessories : Plenum box
Product Details

linear hvac grills

linear slot diffuser residential


  • The frame and blade are made of high quality extruded aluminum profiles, which have the advantages corrosion resistance and rigidity.
  • Without changing the air volume, the vertical or horizontal distribution of air flow can be changed by deflecting the blades. The black blade can be fully adjusted from the side open.
  • Through the matching metal bracket to connect, can be spliced into infinite length, and the splicing is very smooth.
  • You can select the number of slots.



  • Any size available. Over face size= Neck size +35mm.

      flangeless linear slot diffuser

Item Code Slots Neck Size=B(mm) Face Size=A(mm) Slot Width=W1(mm)
LS-B1 1 40 75 20
LS-B2 2 79 114 20
LS-B3 3 118 153 20
LS-B4 4 157 192 20
LS-B5 5 196 231 20
LS-B6 6 235 270 20
LS-B7 7 274 309 20
LS-B8 8 313 348 20

supply linear slot diffuser


ceiling linear slot diffuser

wall mounted linear slot diffuser


     continuous linear slot diffuser

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 quality and 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:
      1.Inner pvc individual packing.                      2.Outer strong carton packing.                                     

    3.Extra pallet & wooden box for optional.        4.Special packing method is available if needed.   

For specific requirements, please contact the salesman.                      

linear air conditioning grilles

linear ventilation grilles

Q1: 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 and so on.


Q2: 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.


Q3: 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.


Q4: I like this product very much, but the freight is too high. Is it better to buy it locally?

  • 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.

  • A: If it is for home use, the quantity is not large, can not afford the freight, it is recommended to buy locally.

Technical Support: Magic Lamp