- Contrast of dark blue and silver to highlight its simple shape - Filter monitoring and smart wing system to project a high-tech digital image - Shape symbolizing functionality in the inside space, i.e., filtering, collecting, and refinement of inhaled dirt; cover shape at the lower space emphasizing its simple and technical design - Image harmonizing with the body shape; innovative ideas for better usability - Smart wing system: automatically operating wing (dirt distribution of contaminated air and simple mechanism that eliminates contaminated air through the outlet) - Smart digital indicator: 1. Luminous indicator that monitors the filter condition 2. Digital melody that alerts the user when the filter needs to be replaced