4" 530 CFM Exhaust Inline Duct Fan,2100-2600rpm Speed Blower Kit High Efficiency Duct Fan

High Durability: The duct fan is made of ABS that has good toughness and good corrosion and heat resistance, so it is more durable and can be used for a long time. Waterproof and Dustproof: With the Ip44 protection grade, this duct fan can effectively prevent water and dust from entering the machine High Efficiency: With a speed of 2100-2600rpm and an air volume of 133-170m³/h, it has more powerful suction with high efficiency. High Wind Pressure: With a wind pressure of 105-125pa, this duct fan can deliver air over a greater distance. Low Noise: With a working decibel of 26-31db, this duct fan can be operated with low noise, creating a quiet and comfortable atmosphere for you. High Adaptability: It has an operating ambient temperature ranging from -20 ℃ to 60 ℃, which can be used on many occasions with high adaptability. Easy to Install/Disassemble: You can easily install/disassemble it without much effort and time because of its simple structure. Guaranteed After-sales Service: We aim to provide quality products and services, if you have any problems, please feel free to contact us, we will reply and solve the problem for you as soon as possible.