Anchit Ispat [P] Ltd. Manufactures Light Weight Roof Fan. Anchit Ispat [P] Ltd. Supplies ventilators. Light Weight Roof Fan generates a pressure which exhausts the air from attic. It implies the flow of air by using centrifugal force. Light Weight Roof Fan gives rise to ventilation by creating a consistent air flow, by intake of fresh air and exhausting stale gas particles. It acts as an exhaust fan that extracts the odor fumes which make the attic hot and then throws it out and the fills the air by the wind fan.