Features: This 8cm duct blower features a double ball bearing motor delivering 58CFM airflows, adjustable AC100-240V input, and compatibility with 7.3cm diameter ducts for efficient ventilation in workshops, and electronics maintenance spaces. Constructed with durability ABS plastic and 166cm power cord, its detachable design enables easy cleaning while the centrifugal airflows mechanism ensures optimal extraction and heat dissipation performances. Ideal for enthusiasts, printing professional, and pet owners requiring reliability airflows solution for enclosed spaces like chicken, dog houses, or resin printer enclosures. Effectively removes fumes in garages, maintains airflows in greenhouses, circulates air in sunrooms, and supports combustion processes with its versatile duct mounted ventilation capabilities. Engineered for continuous operate, this industrial grade exhaust fan combines corrosions resistant components with low noise operate, ensuring year round performances in humid environments like bathrooms or outdoor animal shelters. Specifications: Component:Plastic Size:Approx.8x8x7cm/3.15x3.15x2.76inch Fan speed:4500RPM Bearing type: double ball bearing Noise: 40dB Air volumes: 58CFM Power: 3.5W Cord length:Approx.166cm/65.35inch air duct diameter:Approx.7.3cm/2.87inch Package Includes: 1pc Duct Blower(EU) 1pc Speed Controller note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.