Features:

High Quality Roof Ventilator is sturdy, durable and made form high quality weather resistant materials. It offers the performance of standard roof venting systems but in a slimline, low finish which is designed to releases your trapped air in your roof space by as much as 50 degrees in just minutes.
This Roof Ventilator is a dependable rotary that works automatically, continuously and silently without operating or maintenance costs.
Premium-grade stainless steel dual ball bearings with integrated molded shield to protect bearings raceway.
Internally and externally braced; permanently lubricated ball bearings.
Ideal for residential or light commercial use.
Specification:
Stainless steel turbines fits any roof
100% brand new and high quality
Material: stainless steel
Size: L:270mm*240mm*200mm (10.6"x9.4"x7.9")
M:270mm*240mm*150mm(10.6"x9.4"x5.9")
Diameter:150mm/200mm
Weight:758g/ 26oz
Colour: Silver
Package Content:
* 1x Roof Ventilator