Usage Tips:Features: and high quality Keep your workspace clean and fume-free with our USB Adjustable Speed Solder Smoke Absorber ESD Fume Extractor Fan Pipe Duct Exhuast Fan, perfect for soldering, welding, and other DIY projects. This product is made of durable plastic and comes with a 1M pipe tub ventilation fan that can be adjusted to different speeds depending on your needs. It's also easy to install and use, making it a great addition to any workspace. Whether you're a DIY enthusiast, a professional welder, or just someone who wants to keep their workspace clean and healthy, this product is perfect for you. Use it in your kitchen, bathroom, or workshop to remove smoke, fumes, and other harmful particles from the air. It's also great for computer repair shops, laboratories, and other places where air quality is important. With its sleek design and powerful performance, our USB Adjustable Speed Solder Smoke Absorber ESD Fume Extractor Fan Pipe Duct Exhuast Fan is the perfect way to upgrade your workspace and stay safe and healthy while you work. Specifications: Power: USB5V 2A Total length: 11cm Outer diameter of air duct: 7.3cm Line length: 118cm Type: Single fan, Fan with 1-Meter Pipe, Fan with 3-Meter Pipe, Fan with 6-Meter Pipe (optional) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Package includes: 1Set x Extractor Fan