6" Inline 150mm Quiet Duct Fan Ventilator with 0-100% Variable Speed Controller Air Tight Metal Casing Energy Efficient AC Motor Ventilation and Exhaust Blower for Large Spaces - fkjdefcsdjcsdjcdbvf, tt21115

• Multiple Applications: Designed for increased air circulation and moisture/odor removal in grow tents, greenhouses, bathrooms, server rooms, A/V equipment, or industrial workshops. Outstanding Ventilation: The duct fan delivers an airflow of 381 CFM at 3000 RPM with only 70 watts of power. Our brushless DC motor performs 30% more efficiently with 60% less power consumption than AC motors. Quiet Operation: Whisper-quiet operation is possible thanks to the variable speed controller. Adjust from 0-100% fan speed to without any increase in humming or buzzing sounds. Durable Construction: Engineered with an airtight steel case and IP44 waterproof protection in a compact design, the fan will stay running in harsh environments, big or small. Easy to Use: The duct fan and controller can be mounted with no additional assembly. The permanently-lubricated bearing s wear and tear to cut down on maintenance.