OV-RTransfer Units

Circular wall air transfer device

  • Outstanding sound attenuation

  • Low generated sound level in operation

  • Low air transfer resistance

  • Inconspicuous, slim and compact design

  • Easy and quick installation

  • Comes with the AL-OV-R lining mat





Easy and Quick Installation

The OV-R has a compact, streamlined design for quick and easy installation. 


Effective Sound Attenuation

The OV-R sound diffuser has strong sound attenuation elements.

Low Air Transfer Resistance

The OV-R achieves low air transfer resistance for effective operation in a range of settings. 


OV-R is a wall transfer unit that provides effective air transfer in a variety of installations. It has been designed to provide air transfer between neighbouring residential, hotel and office rooms over other settings. Its design facilitates low air transfer resistance. It has a slim and compact design for inconspicuous deployment. The OV-R wall air transfer device consists of two covers from galvanised sheet steel with a powder coating. 

The OV-R features acoustic attenuation foam that is attached to the inner sides of the covers. Acoustic attenuation foam lining mat AL-OV-R for the wall opening is a part of the OV-R package. This provides highly effective sound attenuation. The OV-R has a low generated sound level when operating. Other sizes are available in this range.



Your order, your style!

Our product is customizable to your preferences, allowing you to order it with any RAL code surface finish to perfectly match your aesthetic vision