4 Inch Inline Duct Fan with AC Variable Speed Control – HVAC Exhaust Blower Kit, 200 CFM, Low Noise (29 dB) for Grow Tents, Kitchens, Basements & More

Powerful Ventilation: Delivers 200 CFM airflow to effectively exhaust heat, humidity, smoke, and odors, improving air circulation in spaces like grow tents, hydroponic rooms, kitchens, basements, and electronic equipment rooms. Ultra-Quiet Operation: Equipped with a high-quality AC motor that runs at just 29 dB (as quiet as a whisper), ensuring it won’t disturb daily activities, work, or sleep—ideal for indoor use. Variable Speed Control: AC variable speed knob lets you adjust airflow to match your needs, from gentle circulation to powerful exhaust, adapting to different spaces and ventilation demands. Easy Installation & Versatile Mounting: Includes hang-up slings and non-vibration rubber mats/straps for flexible setup—hang from ceilings or mount on walls.No complicated tools required, saving time and effort. Durable & Energy-Efficient: Built to last with 30,000 hours of continuous operation.The AC motor saves 30% on energy consumption, reducing costs while maintaining stable performance in high-humidity or dusty environments.