Based on this product's specifications, here are some alternatives and similar models
Fan Master MASTER FAN DF 20 P 50cm / 6600m3/h
Summary description:
The Master MASTER FAN DF 20 P is a powerful fan with a diameter of 50 cm and an airflow capacity of 6600 m3/h. It is designed for efficient air circulation in various environments. The fan operates quietly, making it suitable for both industrial and residential use. Its robust construction ensures durability and long-term performance.