ABS construction: This hose is made from high-temperature resistant, wear-resistant ABS with high strength, impact resistance, and pressure stability, maintaining its shape after positioning for reliable performance. Adjustable airflow control: Features three regulating valves with closed, half-open, and full-open modes to precisely adjust air volume and prevent smoke backflow, enhancing operational efficiency. Flexible 360° design: The hose can be bent 360° freely without support and is customizable in length, allowing for versatile installation and easy adaptation to various setups. Versatile applications: for air, smoke, , and waste gas purification in such as laboratories, laser engraving machines, welding fume treatment, workshop marking, inrial removal, and waste gas emissions. It features excellent structural stability and will not sag or deform even after long-term use, maintaining its shape and suction position effectively., Manufacturer: LYVQZPWLR