**** Missing Speed controller***HYITO 12 inch Inline Duct Fan with Speed Controller Ventilation Exhaust Fan for Heating/Cooling Booster, Grow Tents, Hydroponics, with NSK/SKF Bearings, ETL Listed

Additional Details from the Manufacturer

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More features

• Powerful Ventilation: This duct fan runs at 3450 RPM to deliver 1900 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.