He called for water for ablution, then he rinsed his mouth and inhaled water into his nose and blew it out with his left hand, doing this three times. Then he said, "This is the purification of the Prophet of God ﷺ ."  

أَنَّهُ دَعَا بِوَضُوءٍ فَمَضْمَضَ وَاسْتَنْشَقَ وَنَثَرَ بِيَدِهِ الْيُسْرَى فَفَعَلَ ذَلِكَ ثَلَاثًا ثُمَّ قَالَ هَذَا طُهُورُ نَبِيِّ اللهِ ﷺ