The Indoor unit stainless steel casing protects the unit indoor from getting spoiled or damaged. The casing is cover that works in order to protect the unit or electronic items such as air conditioners from getting damaged or getting exposed to the unfavorable conditions. The case is made of stainless steel that provides it the long life. It is rust free and corrosion free. The indoor unit stainless steel casing provides the required protection to the electronic units and helps it in performing better. It is a must requirement needed for protection of items.