R50 grill is 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).

The R50 are made of reinforced unifi ed aluminum profi le elements. 

They are distinguished by their neat appearance, easy installation. They are made only unpainted, in a rectangular cross-section, and do not provide for additional adjustment. R50 type grilles are recommended for use with useful cross-section of up to 5 m2.