Backward-curved centrifugal impeller with enclosed circular duct design for maximum fluid dynamic performance; high airflow, high static pressure,low noise-ultra-high static pressure supports duct connections up to 1oo meters for multi-zone centralized ventilation. Centralized ventilation,supply, exhaust, and filtration for hotels, high-end venues, supermarkets, homes, offices, and storage areas; continuous air supply for purification systems.
