Nickel Chrome Vent
Wall mounted intake and outake grilles are made of galvanised or aluminium sheet. Nickel Chrome Vents are composed of lateral profiles, lamellas and proper corners and of a steel mesh protecting against insects and leaves. They are used for big installations inside buildings.
It is additionally equipped with a mesh protecting against insects. It is also available as a non-return flap in which only one or a part of lamellas opens during air exhaust.