The Airbox Metal Box is a soundproofed duct fan from Torin, built in a box and suitable for continuous operation with the highest requirements. It has acoustic insulation and requires flanges for attaching hose or filter. Specifications include a voltage of 230 V, a maximum air flow of 1000 m³/hour, an electrical power consumption of 73 W, dimensions of 44x42x38.5 cm, a weight of 15 kg and matching flanges of size 2 x 250 mm.