RO50 grilles are designed for external protection of the exit points of ventilation shafts, air ducts, openings, if necessary, aesthetic design of the external (facade) side of the premises with additional protection from precipitation (fl ashing) and ingress of foreign objects into the protected internal space (mesh).

RO50 is manufactured of reinforced unifi ed elements made of galvanized steel. Grilles are distinguished by their neat appearance, easy installation. They are made unpainted, and by special order, the grilles can be painted in the color agreed with the customer. Grilles of only rectangular cross-section are made and do not provide for additional adjustment.

RO50 grilles are recommended for use with useful cross-section of up to 4 m2. The design of such grilles is distinguished by additional reinforcement of the elements that make up the grille.