Powerful Ventilation: This duct fan runs at 3000 RPM to deliver 1219 CFM airflow, effectively circulating air and quickly removing odors to maintain clean air. Sturdy and durable: Crafted from high-quality iron material that resists deformation, featuring excellent workmanship for long-lasting durability. Requires minimal maintenance in demanding applications while delivering reliable performance even in harsh environments. Equipped with world-class NSK/SKF bearings for superior quality. Low Noise Level: Durable plastic blades rotate smoothly, operating quieter than same-size fans. Features high static pressure with low energy consumption. Widely Used: This inline duct fan is perfectly suitable for greenhouses, grow tents, kitchens, bathrooms, restaurants and other spaces, providing effective ventilation to ensure air circulation and quickly eliminate odors. Note: To maintain optimal performance, periodically disconnect power and inspect the impeller for blockages. Clean dust and debris with a damp cloth. Our inline duct fan is specially designed as an exhaust for heat, humidity, and smoke, improving airflow in air planting tents, hydroponic planting rooms, electronic equipment rooms, kitchens, basements, etc.