Round/square return air grille/air louver is a part of terminal equipment in HVAC system which can deliver and remove air and realize the air circulation.Thus,it can help to ensure the acceptable air quality as well as thermal comfort. Door grille is widely used in the terminal of air conditioner, factory, airport, theatre, bank and other places. Air volume damper that adjust air volume and air speed or filter thatdecrease dust and purify air can be set up in the back of air vent according to customer’s requests.

Feature Of Exhaust air diffuser for ventilation system from China: 

Artistic appearance

High quality aluminum alloy

Any size and color are customized.

Anodic oxidation or electrostatic spraying 

45 degrees joint cut, orderliness and flawless.

To strengthen the joint by galvanized steel angle code.

Products Advantage Of Exhaust air diffuser for ventilation system from China: 

Our examination system is strict after several inspections.

We adopt advanced molding equipment and professional computer designing 

Assembly line producing ensures high quality and efficiency 

Complete accessories production and distribution make it easier to install.