WHB Series |
| Whirly Bird | | | | Turbine ventilator
Aluminium construction
Turns on Ball bearings
Base included adjusts to 45° pitch
Reduces summer temperatures inside your building
Helps ceiling insulation to work better
Powered by the wind - costs nothing to run
Saves energy in summer
Reduces condensation in roof spaces in winter
Protects paint and insulation
Helps extract fumes | |  | |  Download PDF file
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