Wind Ventilator with 42 Vanes can be easily fitted on Asbestos, Corrugated Asbestos, Galvanized Iron and Aluminium roofing. Shrijee Lifestyle P. Ltd. Manufactures Wind Ventilator with 42 Vanes. Shrijee Lifestyle P. Ltd. Also manufactures different types of wind ventilators. Wind Ventilator with 42 Vanes has unique pivotal blades to offer maximum weather protection. It is provided with double shielded permanent lubricated ball bearings to ensure long life and no maintenance. It comes with specially designed adjustable elbows for fitment on all roof slopes. The Ventilator gives Trouble free and smooth operation even at low wind velocities.