... be provided if required.The long-distance drum spout FK-GP is normally used in the areas with high and ... centers, industrial plants, theatres, gyms. Museums, conferencehalls etc.The FK-GP series spout is specially designed for large airflow and long ... its considerable big noise.Inner packing:250X150,300X150,475X150,625X150,500X250,650X250,750X250,900X250,900X350Outer packing:250X150,300X150,475X150 ...