GWR grille is used for supply and removal of air in supply and exhaust ventilation, it is designed for installation in ducts or building openings of premises of various purposes. The single row GWR grille is made of aluminium profile and is equipped with individually adjustable louvres for changing the direction ( or ) of the characteristics of the supply jet. By default, the grille is manufactured with mounting holes for screw connection; a snap-on version is possible. The grilles can be equipped with an air flow damper and an adapter for duct connection. The adapters can be both laterally and axially connected to circular and rectangular ducts. Note Standard coating colour - white RAL 9016 is not specified when ordering (painting in any other colour is possible, according to the RAL colour catalogue). The minimum grille size is 100×100.