Founded in the 2000s, Jetech boasts a comprehensive range of tools with a strong focus on professional industrial-grade tools. We take pride in serving mechanics and users from over 60 countries and 5 continents. Jetech 4in air blow gun is used for cleaning dust and small debris from car engines, interiors, and electronic components. Quality Rust-proof Material This is a quality rust-proof 4" air duster that offers high-pressure resistance and a long service life thanks to strong craftsmanship. High Flow Rate Smart design provides more concentrated airflow than standard blow guns. Versatile Usage Comfortable, and easy to use, this versatile duster can also be repurposed for cleaning other work surfaces or electronics. Ergonomic Nylon Handle Provides comfort and a secure grip for long working sessions. IMPORTANT: Must be hooked up to an air compressor to function. Working Pressure: 5.0-8.0 KGF/CM² with an air supply need of 350L/Min.