Aluminium alloy with 20mu fluorine carbon coating .It fills up some shortcomings of common stainless steel and aluminum alloy. Roof

ventilator material:
Aluminum alloy with 20μm fluorine carbon coating
Two NSK permanently lubricating bearings.
Fireproofing reinforced nylon support/metal support ,rivets connecting.

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.
Can be used for long-term.

Scope of Application:
Workshops,factories and warehouse with high corrosive air and high poluution.

Warranty:25years

TR fluorine carbon polyester coating aluminum ventilator fills up some shortcomings of common stainless steel and aluminum alloy