General description The 2 Pcs 110mm Non Power Roof Ventilator Wind Turbines are designed to efficiently ventilate attics and other spaces without the need for electricity. Constructed from high-quality 201 stainless steel, these ventilators are rustproof and capable of withstanding high temperatures, making them ideal for various weather conditions. They provide a reliable solution for releasing stale air and moisture, ensuring a comfortable environment in residential and light commercial applications. Technical specifications Tube diameter: 4.33 inches / 11 cm Turbine diameter: 7.48 inches / 19 cm Height: 7.48 inches / 19 cm Material: Stainless steel Color: Silver Usage The ventilators are suitable for a variety of spaces, including: Factories Farms Production workshops Kitchens Roofs Houses Other information Package includes 2 non-power roof ventilators Measurement allowed error: +/- 1-3 cm Note: Light reflection and different displays may cause the color of the item in the picture