The USB Adjustable Speed Fume Extractor Fan with Duct is a high-quality metallic finished extractor fan designed for improving air quality during soldering and welding activities. With a power source of USB, this fan offers energy efficiency with an A energy efficiency rating, making it a cost-effective option for enhancing ventilation in your workspace. The adjustable speed feature provides customizable airflow, while the extractor fan system effectively removes harmful fumes, ensuring a safer and more comfortable environment for your projects.