400mm 500mm 600 mm Wind Driven Roof Turbine Ventilators
Dimension: 500 600 680 880
Color: as Request
Name: Wind Turbo Vent
Raw Material: Aluminum, Stainless Steel
Trademark: CERTEG
Transport Package: 1PCS/Carton
Specification: 75 100 150 200 300 500 600 680 880
Origin: Zhejiang
Spining  Chimney Cowla)Base made of galvanized steel / stainless steel , cap made of stainless steel /aluminium sheet
b) roof and chimney air vent application
c)good quality bearing, with high-temperature oil
d)Power free and greatly improve the natural ventilation.
e)With or without square base
Advantages:
Light weight and sensitive revolving.
No energy cost ,noiseless, efficient exhausting.
Rust resistant and anti-corrosive.
Removes moisture build up in winter.
Low maintenance and easy installation.
Wide range of colors to match with any roof.
Application:
Used for stove's smoke and gas ventilation's top
Home chimney cowl , factory workshoop
roof ventilator  detail:Â
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Application:
300mm 500mm 600mm ,680,880mm use for fatory workshop everywhereÂ
75mm ,100mm,150mm ,200mm,250mm ,300mm home cowl in Russia, Norway,Poland,etc.
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enghua Jade Motor Co., Ltd. , http://www.nsceramictube.com