Are you tired of stale and stuffy air in your home or workspace? Look no further than our Inline Duct Fan 4 Inch Vent Booster! With this powerful HVAC exhaust intake fan, you can easily increase the air circulation in any space to enjoy fresh and clean air. Whether it's your grow tent, attic, kitchen, garage, greenhouse, or basement, this fan is perfect for DIY air circulation systems.

Our 4 inch inline fan is not just limited to residential use. It is widely used in various commercial settings such as offices, warehouses, restaurants, bars, shops, and shopping malls. With its high-quality sleeve motor, this fan is built to last, ensuring whisper-quiet operation and a service life of over 3 years. Its impressive rotational speed of 2400 r/min guarantees a large airflow of 76 CFM, providing you with the ample ventilation that you need.

Your safety is our utmost priority. That's why our fan comes with over-heat protection. Equipped with a low operating temperature and low heat generation motor, it has a built-in temperature protection device. In the unfortunate event of the motor overheating, the contact point automatically disconnects for power failure protection. With double protection, you can have peace of mind knowing that this fan is safe to use.

We've also designed our fan with ease of installation in mind. It comes with a 39" cable and plug, making the setup process a breeze. With clearly marked brown live wire and blue neutral wire, you can quickly and efficiently install the fan without any hassle. Just make sure to securely fix the fan to avoid any noise caused by looseness.

Don't compromise on air quality any longer. Take control of your HVAC system and experience the difference with our Inline Duct Fan 4 Inch Vent Booster. Transform any space into a well-ventilated environment effortlessly. Click here to order now!