The new displacement flow diffuser type QLV is now available. This displacement flow diffuser with its visually appealing polygon design is suitable for use in both industrial and comfort areas and ensures air supply at low turbulence levels. The casing of the type QLV with bottom or top entry spigot consists of the cover, the base and the corner and edge strips with discharge inserts made of perforated plates in round hole pattern. Behind the discharge sides are air straighteners and a conical air control element is inside the diffuser. The type QLV replaces the type QL, leaflet no. 1/6/EN/4, and the type QLK, leaflet no. 1/6.2/EN/1. For details please refer to leaflet no. T 1.3/2/EN/1.