Ventilator Roof，Roof Ventilator, Stereoscopic Exhaust Pipe Ball Natural Wind Ventilation Fan Villa Chimney Cap Ventilator Blower(150mm)

Roof ventilator, hardness, heat and low temperature resistance, anti-, anti-rust, , solid and , very suitable for wind conditions, can be used for all kinds of vents.Material: stainless steelProcess: polishingFeatures: zero energy consumption, no rust, no leakage of rainFunction: change indoor outdoor air, purify indoor airWorking principle: make use of the air and heat convection caused by the natural wind and the difference between indoor and outdoor temperature to drive the turbine to rotate, so as to use centrifugal force and negative pressure effect to expel the indoor stale hot air.Use scene: industrial workshop, farm, residential flue, etcWarm tips:we only cowling, the others are the exhibits, not included.products for manual measuring, appear a little error belongs to the normal range. The product is taken in kind. Due to the influence of light, Angle and display color, slight chromatic aberration may occur, all within the normal range.

• PRINCIPLE: make use of the air convection caused by the natural wind and the difference between indoor and outdoor temperature to drive the turbine to rotate, so as to use centrifugal force and negative pressure effect to expel the indoor stale hot air
• FEATURES: no need for all-day automatic ventilation, also for you to reduce short circuit or voltage overload caused by fire and a lot of other unnecessary trouble
• MATERIAL: high quality stainless steel material, hardness, heat and low temperature resistance, anti-, anti-rust,
• Stainless Steel Exhaust Hood For: Ideal For Residential Or Light Commercial Use.
• just removes and install it where you need it