powerful airflows with this 8cm inline duct fan featuring a 4500RPM motor 55CFM, USB powered for versatilitys operate and adjustable speed control Ideal for homeowners, enthusiasts, and makers seeking efficient ventilation solution for enclosed spaces like printer enclosures or electronics workstations Optimize air in kitchens, soldering stations, labs, or pet zones while effectively managing fumes, and humidity with compactly duct connectivity The 73mm circular duct connectors seamlessly integrates with standard 8cm tubings, offering flexible installation option for electronics cooling, server rooms, or compactly grow tent setups Crafted from durability ABS with a detachable design for easy maintenance, its double ball bearing structure ensures quiet, long lasting in demanding environments, Manufacturer: Dezzhou