The easy-to-clean logo set by the range hood brand. The three water droplets flashing on the range hood of the Siemens brand indicate that the range hood is easy to clean, because this mark is the easy-to-clean mark set by Siemens for its brands of range hoods. The range hood is an appliance that absorbs range hood and is installed above the kitchen stove. , which can extract smoke and waste generated during the combustion process of the stove and discharge it outdoors to reduce indoor air pollution.