Hanging Cooling Fan for Cow House /Pig House Hanging Exhaust Fan

1.The frame is galvanized, thick zink coat, very good anti-corrosion. 

2.Blades are aluminum/ plastic, we do balance test for each set of blades.

3.Stable operation, low noise, long air distance, and long life time.

4.Big air volume, light and easy installation, no deformation.

5.Before delivery, we do noise test, vibration test, rotation concentricity test, blade speed test, air volume test and fan efficiency test