Do not use strong detergents or solvents to clean the appliance. Use a soft cloth to clean.
Do not clean the appliance with an alkaline detergent.
Do not wipe the appliance surface using sulfuric acid, hydrochloric acid or organic solvents (thinner, kerosene etc.) or attach a sticker on the appliance.
Do not allow water inside the appliance.
Do not wash the filter with water.
Be careful not to damage the ultra-fine filter when cleaning it with a vacuum cleaner.
Do not disassemble the clean booster.