Specifications: Luxury model air curtain is designed by new grid and wind wheel. Realizing the lowest noise of running by the low-noise wind wheel and motor. Take lead in using infrared-remote control&light-touch switch technology. Let your working conditiond turns more simple and free. Ensure the operation more calm&easy. Provide four different lengths( 600mm,900mm,1200mm,1500mm ) make it possible to cover openings of different widths.