Windream Foundation (Windream) The sole agent in the Kingdom 100% Korean-made air curtains, ISO certified with a 5-year warranty, automatic sensor upon opening the door, equipped with 3 speeds, dual motors, fan speed up to 2200 RPM, and a 4-meter air barrier to prevent the entry of flies, dust, dirt, insects, moisture, and heat, and the exit of cold air and entry of hot air.