Different types of extract air diffusers
Square extract air diffuser
ROBUST Extract air diffuser
Extract air valve for ceiling or wall mounting
Perforated extract air diffuser designed for square suspended ceiling systems
Square ceiling air diffuser for supply and extract air
Round extract air valve for ceiling or wall installation
Linear bar grille for supply, extract or transfer air, wall or ceiling mounting
Square ceiling diffuser with nozzles for supply and extract air
Circular ceiling diffuser with nozzles for suspended installation
Extract air valve for ceiling or wall installation