air grille

Wholesale Hvac System Middle East Waterproof Exhaust Air Conditioning Louvers Return Air Grille SG-FB

Decorative return cold air vent covers grilles are designed to pull air out of a room, ensuring energy efficiency and relative comfort while also providing circulation back to the central heating or air conditioning unit.

Product Specification:
  • Material : Aluminum alloy sheet
  • Material thickness : Aluminum frame 1.0mm thick
  • Finished : Powder coated or anodized finish
  • Color : Standard wihte or anodized silver
  • Size : Any size available offer
  • Accessories : Air filter
Product Details

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  • Frame: High quality extruded aluminum alloy(A6063) profile with 30mm flange as standard.
  • Blades: Aerofoil blades from aluminum profile
  • Blades spacing: 20mm as standard
  • Filter Frame: Dia 5mm steel
  • Filter media:  Aluminum mesh


  • The frame and blades are constructed with high quality extruded aluminum profiles, which have
    the advantages of corrosion resistance and rigidity.
  • The blades are fixed on the frame with aluminum pins to ensure smooth operation and no sound.
  • The blades are set at a 45° Angle with a spacing of 20mm and fixed on the rack.
  • Aluminum filter is optionally set on the back.
  • SG-FBN---c/w the air filter
  • SG-FBN---c/w the air filter

Surface Finish:

  • Powder coated color finish as per RAL color

        Standard color: RAL9016, 9010

  • Natural anodized aluminum finish


cold air return vent covers

Material thickness:

  • 0.8mm


  • Any size available
  • Overall face size = Neck size + 55mm
  • Standard size (Neck size=A)
Item Code Neck size Face size
 W x H(mm) W x H(mm)
SG-FB-150 150 x 150 210 x 210
SG-FB-200 200 x 200 260 x260
SG-FB-250 250 x 250 310 x310
SG-FB-300 300 x 300 360 x 360
SG-FB-350 350 x 350 410 x410

return air filter grilledecorative wall vent covers

return air vent covers

air return vent cover with filter

hvac grilles and diffusers

   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.

   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.

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 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.

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 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