Welldoor Engineers offers Ventilator with Glass / Steel Louvers. Welldoor Engineers supplies pressed steel doors, windows, ventilators, rolled section doors, windows, ventilators etc. Ventilator with Glass / Steel Louvers is made from sheet thickness varying from 1mm to 3mm, depending upon customer`s requirement. Ventilator with Glass / Steel Louvers is provided with stiffeners which are provided on the frame for additional strength.