kōng tiáo shǐ yòng qián yīng qīng xǐ lǜ wǎng, yǐ miǎn yǐng xiǎng chū fēng xiào guǒ

空调使用前应清洗滤网，以免影响出风效果。

Before using the air conditioner, you should clean the filter to avoid affecting the airflow.