Flowbar is not just an innovative diffuser that ensures comfort, it allows room air distribution to become a truly unique design element.
— Daniel Jones, Technical Sales Engineer
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What is FlowBar?

Air Diffusion's FlowBar is an architecturally designed high capacity linear slot diffuser. The flexibility of the system can blend into a design or provide contrast with its striking but simple design.



The FlowBar system satisfies the requirements for designing an air distribution system that will maintain optimum room air conditions whilst becoming an integral component of the architectural concept of the project.

In hard ceiling applications, a totally hidden appearance can be achieved with only a small slot opening.


FlowBar is also loved by engineers and installers because it's not just a product that's easy to install, but it's remarkably efficient and able to cope with unbelievable air volumes for such a small footprint.



FlowBar can be configured to your specification - we are able to curve FlowBar for a truly unique design.

In addition, we are able to offer many other options and variants; various end caps, end borders and mitred corners for ceiling and wall mounts. 

Why Choose FlowBar?

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Continuous slot diffusers allows you the choice of using the air diffusers to complement your design.


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In this application, the designer has used Flowbar to discreetly allow air into the room and blend into the building architecture so it is almost hidden.



The Product

FlowBar is designed to combine a very high air handling capacity with maximum flexibility and is suitable for either ceiling or sidewall applications.

FlowBar has proven that getting air in and out of a room doesn’t need to involve unsightly holes in a ceiling.
— William Clarke, Technical Manager

Tried. Tested.

FlowBar has undergone extensive testing and has a large dataset, to ensure we are able to provide you with advice on choosing the correct product for your application/air volume.

All FlowBar diffusers are manufactured entirely from heavy wall extruded aluminium, ensuring a straight and true installation.

Wall Mounted. Ceiling Mounted.

Our high throw model is designed for ceiling applications & the jet throw model for wall applications. 

Straight. Curved.

FlowBar is available curved which allows the creation of stunning visuals that were never before possible.



FlowBar Gallery

Find out more about FlowBar

Our technical expertise means we can help transform projects you're working on today into some of the most beautiful ceilings in the world tomorrow. Get in touch with us to talk to our FlowBar experts who will advise you on application, technical specifications and customisation options available.