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Air Diffusers Ltd.                             Unit 77, Enterprise Centre Michael Way, Warth Park Way, Raunds, 

+44 (0) 1933 697471


SQUARE diffusers are so much more than just another air distributor. They are minimalist interior elements that will accentuate the precise lines and rigid angles of an interior design. Toss aside the ventilation grille. You will no longer have to think about where to hide it, because from now on, air distributors are an integral part of the interior design.

Ventmann diffusers integrate seamlessly into your interior design, making no compromise between fresh air and clean design.

SQUARE ventilation diffusers are also a practical solution. They are the first diffusers on the market that are mounted at the same time as the walls or ceilings and can be painted with the same paint. In addition, even standard SQUARE models can be adapted to your needs:

  • 100mm or 125mm – these are the standard connection nozzle diameters that you can select.
  • Industrial strength magnets – the diffuser cap is supported by magnets that do not lose their strength for 95 years.


Technical Information

A gypsum composite diffuser with a square face plate that attaches using our new click system to the base. Designed to create a perfectly seamless look without any ceiling height changes, bumps or frames.

Our SQUARE diffuser is suitable for plasterboard ceilings or walls. It creates a permanent bond with the installation surface for the most durable result – no cracking or breakage from thermal stresses.

Provides short throw air with high levels of mixing, ensuring comfortable and gentle air diffusion into the room.

SQUARE diffuser can be installed in groups or mixed and matched with other Ventmann diffusers.

Available in 100mm or 125mm connector diameters.

  • Materials: Gypsum composite body , steel connector, rubber gasket and elastic fixing strap.
  • 45mm diffuser depth
  • Supply or extract
  • Suitable for short throw applications
  • Includes screws, fixing strap and plastic spacers

Due to their strict shape, multiple such diffusers can be installed in a single room. SQUARE is fit for minimalist interior design or a design that requires vents to be nearly invisible.

Installation Guide

Ventmann diffusers are much more than an interior design solution: they are engineered to deliver comfortable airflow exactly where you need it most. For detailed technical specifications, download our full catalogue now.