Features: 1HIGH EFFICIENCY PIPELINE FAN: High density inclined blades evenly cut air to reduce the resistance of air passing through the fan. The power of the inline fan is greater to achieve the best ventilation and effective air circulation 2LOW NOISE: Booster fans work quietly, helping to collect airflow and reduce noise output. The noise generated does not exceed 38 decibels and will not interfere with your normal work 3EASY INSTALLATION: The 6in fan features a separate body assembly for easy installation and removal, and offers various installation options for a variety of environments 4GOOD WATERPROOF: IPX2 waterproof grade, to ensure that the pipeline fan can still maintain good performance in wet and harsh environment 5HARD MATERIAL: The shell of pipeline fan is made of PP material, which has good toughness, aging resistant, durable with long service life Item Type: Inline Duct Fan Material: PP Power: 80W Rotational Speed: 2550r/min Air Volume: 540m3/h Performance: Oblique flow supercharging Package Included: 1 x Fan 4 x Screw 4 x Screw Anchor