Different types of extract air diffusers
Circular egg crate grille for extract air and wall/ceiling mounting
Rectangular egg crate grille for transfer/extract air and wall/ceiling mounting
Linear bar grille for supply, extract or transfer air, wall or ceiling mounting
Raster grille for extract air/transfer air designed for square suspended ceiling systems
Rectangular perforated diffuser for supply and extract air
Square ceiling diffuser with nozzles for supply, extract and swirl air
Extract air valve
Circular ceiling diffuser with nozzles for suspended installation
Square extract air diffuser