Breathe Easy, Create Freely! 🌬️ Everything you need is included for a seamless installation experience. Adjust speed from 0% to 100% with ease using the PWM controller. Dual ball bearings ensure longevity and consistent airflow for all your ventilation needs. Perfect for 3D printing, soldering, and paint booths—your DIY projects will thrive! Experience tranquility with noise levels below 18dB. 141CFM Airflow 18dB Noise Level 3000RPM Speed The 4" Axial Exhaust Fan is a high-performance ventilation solution featuring a 3000RPM DC12V motor, capable of delivering an impressive airflow of 141CFM while maintaining a whisper-quiet operation at just 18dB. This versatile kit includes essential components for easy installation and is ideal for various applications, including 3D printing, soldering, and paint booths. With a user-friendly PWM speed controller and durable dual ball bearings, this fan is designed for both efficiency and longevity.