Install multiple HMPS ventilators in your office or workshop to ensure ventilation within the facility. It is designed and developed in-house in two designs, fixed and openable. The louvers attached between the frame can be adjusted manually at any desired position. The louvers will allow both, light and air to enter the building structure. The rectangular, grey ventilation system made in mild steel sheet has a thickness of 1-3 mm. he height of the ventilator frame can be customized on order. Customers are also free to select the construction type between single sheet and sandwiched.