Features & Details [PREMIUM QUALITY]- The blower fan is made of the full metal frame, experienced paint, durable and long-lasting, strong corrosion-resistance, dirt resistance, oil stain resistance, high-speed pure copper wire motor, stable and more effective smoke exhaust, more potent suction, more power, lower wear rate. [PERFECT VENTILATION PERFORMANCE]- The vent fan uses the integrated fan blades. With five metal blades, the wind can be quickly discharged at stable wind speed with high efficiency and can bring intense wind pressure and high efficiency, low noise, regular operation. [SHOCKPROOF & STABLE]- The fan uses powder-coated steel wire guard, thickened steel wire mesh, fixed by four imported screws, safety protection, preventing foreign objects from being caught, and vibration prevention. [EFFORTLESS TO INSTALL]- Wall-mounted quick installing, the machine has four holes. It can be used by turning the screws on the selected wall, fast and convenient installation, and easy to maintain. [MULTIPLE APPLICATION]- The industrial exhaust fans are designed for use in all commercial places and suitable for all types of workshops, restaurants, large and medium-sized warehouses. Metal Structure Full metal body, strong corrosion-resistance, more safe and reliable blade, offers maximum longevity. Integrated Fan Blade Five metal blades, effectively gather the wind and achieve rapid wind speed, compact structure, and beautiful appearance. Ultra-Quiet Operation The fan's intake grille is more stable, smooth return air, lower noise, and 60 dBA. Thickened Steel Wire Mesh Fixed by four imported screws can prevent foreign objects from being caught and accidental touch. Easy Installation Four holes for convenient installation, lightweight, easy to use, and maintain. Wide Application High-performance extractor fans are suitable for all types of workshops, restaurants, warehouses. 250MM Industrial Ventilation Extractor This exhaust fan is constructed with metal body and blades with grill, safety, reliable and durable, robust and silent, low noise, and stable running. It can be used for exhaust and supply ventilation systems that require high pressure and powerful airflow. It is the ideal solution for air exhaust systems. Premium Quality Perfect Ventilation Performance Effortless To Install Multiple Application Package Content:SpecificationsType: Exhaust Fan Material: Metal Model: YNF-250-2T Power: 74.5W Voltage: 220V Current: 0.46A Frequency: 50 Hz Speed: 2580 RPM Opening Diameter: 250 mm/10" Panel size: 300 x 300 mm/12 x 12" Air Volume: 1680 m³/hr Noise: 60dBA Application: Commercial Mounting Hole Size: 245 mm/9.7'' Net Weight: 3.15 kg/6.94 lbs Package Content1 x Exhaust Fan 1 x Product Manual