HT Steel Perforated Access Panel is specially designed for ventilation through below floor space up to the equipments, applied for under floor air conditioning system. Steel perforated panels is also called Air Flow panel because of many holes drilled through them. Perforated panels are of accurate size and thickness, interchangeable with steel access floor panels, woodcore panels or calcium sulphate panels. Specially designed and well manufactured damper is also available for perforated panels.