we are dealing in Industrial Ventilators that have Non Conventional energy Product. it gives assurance 24 hours for ventilation.For these there is no Operating Cost.Benefits* No Operating Cost.* Higher depreciation rate.* Provide sun light in day time.* Adaptable to any roofing pattern.* Weather proof.* Proven technology.* Rain water proof.* Dust proof.* Birds proof.* Best after sales services at your door step,* Provides very attractive aesthetic appearance of building.* Zero running power cost.* Available in anodized aluminium.* Strong and light weight construction.Torque Technical Specification Dust preventive bearings Stainless Steel Rotation at almost zero wind Yes Static Balancing Yes Suitable for dusty conditions Yes Suitable for smoky conditions Yes Suitable for harsh conditions Yes Exhaust capacity High Exhaust problem due to air back draft No Ventilation material Aluminium Hardware material Stainless steel Weight 7.35 Kg Principle Utilise wind energy to induce air flow by centrifugal action. Centrifugal force created by rotating vanes in turn creates low pressure zone which draws fresh air from outside. Thus replasing polluted air/hot air continuosly.