Square Diffuser


£ 76.90 76.9 GBP £ 76.90

£ 76.90

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Square Grilles

The Ventmann Square Diffuser is a high-quality, versatile vent that can be used in a variety of applications. It is made of durable materials and features a sleek, modern design. Like our frameless slot diffuser, the square ceiling diffuser is easy to install and use, and it can be adjusted to provide a variety of airflow patterns.  Most often used as a ceiling air diffuser, they can also be mounted on walls if desired.


  • Made of durable materials
  • Sleek, modern design
  • Easy to install and use
  • Adjustable airflow patterns
  • Can be installed on walls or ceilings
  • Ideal for use in homes, offices, and commercial spaces


  • Plasterboard air vent that matches the surrounding material
  • Can help improve air quality and provide a comfortable and healthy environment
  • Reduces noise levels
  • Increases energy efficiency
  • With upstream filtering, can help to reduce allergens and pollutants in the air

Inaudible Flow Rates - Square Diffusers

The following airflows give a noise level of 17dB.  Installers often use 25dB as the level of inaudible noise.  We use a lower figure to allow for other fixings such as dampers and other constrictions upstream of the diffuser and also to allow for some margin of error.

NameModelSpigot SizeL/sm3/hr
Square DiffuserSquare 100/125100mm or 125mm1970


Spigot Size 100mm or 125mm
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