4 in. 316 CFM Inline Duct Fan: Air Circulation Vent Blower Floor Fan for Hydroponics, Basements, and Kitchens

4 in. Inline Duct Fan boasts an impressive fan speed of 2500 RPM and an airflow rate of 203 CFM, ensuring a strong and efficient ventilation system. This targeted airflow allows for optimal circulation and temperature control for your plants, ensuring their health and growth. Experience smooth and quiet operation with our powerful fan, generating a low noise output of only 49 dB. Whether you're using it indoors or outdoors, this fan operates smoothly without causing disturbance or disruption. Enjoy the benefits of efficient ventilation without sacrificing peace and tranquility. Its versatility and reliability make it an ideal choice for various environments.