The new type slot diffuser VSD35-3-AZ is now available. This adjustable slot diffuser is designed for horizontal installation in walls and enclosures. The VSD35-3-AZ consists of a triple-slotted diffuser face and a plenum box for supply and extract air. On request, the VSD35-3-AZ is available with cross-talk sound attenuator, consisting of a casing with inner lining. For details please refer to leaflet no. T 2.1/2/EN/1. Further information about cross-talk sound attenuation can be found in the special print (in German) HLH 8/2005 www.hlh.de.