10 Inch Shutter Exhaust Fan Wall-Mount Variable Speed Temperature, Automatic Lou
Speed 1650 rpm. Electric Fan Design Exhaust Fan. High-Efficiency Shutter Vent Fan 1 2 3. Mounting Type Wall Mount. Installation Type Wall Mount. Special Features Wall Mountable. Air Flow Capacity 900 cfm.
2PCS 20-inch Industrial Fans, 4800 CFM, Low-Noise ≤65dB, Steel Grill
Besides, the max noise is below 65 dB(A), ideal for rapid but not loud cooling. Featuring 20-in aluminum blades & rust-proof grill, it has a 360° adjustable tilt, a built-in handle, and a wall-mount design, ideal for all occasions.