A 300 mm wind turbine ventilator is a passive roof‐mounted ventilation device that uses wind and thermal (stack) effect to spin and extract hot, stale, moist air from inside a warehouse or building without electricity.
Specifications
-Neck diameter: 300 mm
-Head diameter: 430 mm
-Height: 450 mm
-Blades: 21 curved blades
-Material: Aluminum alloy / stainless steel
-Bearings: Self-lubricating
Weight: ~2.5–2.9 kg
-Installation: Roof mount, no electricity needed
-Function: Exhaust hot and stale air, reduces heat & humidity