Anchit Ispat [P] Ltd. Supplies Roof Top Wind Extractor. Anchit Ispat [P] Ltd. Manufactures ventilators. Roof Top Wind Extractor is made to eliminate the trapped stale warm air and vapor to safeguard number of expensive electronic installations. Roof Top Wind Extractor is required to remove humidity, heat, smoke, dust and other irritants from the domestic surroundings. This housing ventilation system removes the trapped heat and other irritants that may cause unhealthy surroundings for living. It attracts fresh air from every side and direction of roof and channelizes it move towards the center. This pressure exertion pulls out the stale and bad odor air from the building. These roof extractors encompasses of turbine blades which rotates and helps in exhausting warm moist vapors developed in the house due to cooking, washing and bathing.