Performance Ventilation Fan with Adjustable Neck Tube Largeangle blades engineered to deliver fast, steady, and evenly distributed airflow. Wide smoke baffles effectively block and prevent oil smoke backflow, keeping indoor air clean and fresh. Enhanced durability with upgraded quality bearings and forged steel balls. Constructed from 304 thickened stainless steel for resistance to rain, corrosion, and wear, ensuring reliable ventilation in demanding environments. Innovative variableangle neck tube design allows installation at any angle from 0 to 22.5 degrees, offering flexibility for diverse mounting requirements and limited space setups. Reinforced central axis designed to withstand extreme conditions, including wind speeds up to 200 km/h and loads of up to 100 kg, without bending or damage. Applications and Use Scenarios: 1. Ideal for commercial kitchens to efficiently expel heat, smoke, and grease, preventing buildup and maintaining comfortable working conditions. 2. Suitable for factory workshops or industrial plants where strong, dependable ventilation is needed to remove dust, fumes, and excess heat. 3. Effective in residential settings for rooftop or wall installations to improve airflow and prevent smoke backflow from cooking or heating systems. Specifications: Blade Type: Largeangle design for airflow efficiency Smoke Baffles: Wide coverage to prevent backflow of oil smoke Material: 304 thickened stainless steel Bearings: Upgraded quality bearings with forged steel balls Neck Tube Adjustment: 0 to 22.5 degrees Wind Resistance: Up to 200 km/h Load Capacity: Up to 100 kg This ventilation fan delivers strong performance, longterm durability, and flexible installation, making it a dependable choice for both commercial and residential ventilation needs.