Tandefio 2 Pcs 110mm Non-Power Roof Ventilator Wind Turbines Attic Air Vent Fan - Stainless Steel 201 Roof Turbine for Houses, Factory, Farm - Leak Proof Cap

Despite requiring no electricity for operation, the ventilator assures quick air release in minutes. Reliable and efficient.
Enjoy silent operation with our non power roof ventilator. Its seamless operations ensure quick air ventilation without creating excessive noise.

Specifications:
Material: 201 stainless steel
Color: classic color
Size:
Tube diameter: about 4.33 inches/ 11 cm
Turbine diameter: about 7.48 inches/ 19 cm
Height: about 7.48 inches/19 cm

Package includes:
2 x Non power roof ventilator

Notes:
Manual measurement, please allow slight errors on size.
The color may exist a slight difference due to different screen displays.