360° Flexible Suction：Fully articulated arm with multiple joints allows complete 360-degree rotation. Easily bend and position the nozzle to capture fumes and dust exactly where needed Industrial-Grade Construction：Made from high-performance plastic with strong heat, impact, and abrasion resistance, suitable for workshop and laboratory environments Multiple Size Options：Available in 50mm (2") and 75mm (2.9") diameters, with lengths ranging from 0.8m to 2m, making it suitable for a variety of industrial and laboratory tasks Adjustable Flow Control：Removable hood with a 3-mode valve (closed, half-open, fully open) enables precise airflow adjustment and prevents backflow of smoke, dust, or fumes Wide Range of Industrial Applications: Suitable for welding fume extraction, engraving, industrial dust collection, machine cooling, workshop vacuuming, and laboratory ventilation