Sahih Muslim | Book 2 | Hadith Number 459

Narrated by Hammam b. Munabbih
Hammam b. Munabbih reported: This is what Abu Huraira transmitted to us from Muhammad, the Messenger of Allah (may peace be upon him), and he mentioned a number of a hadith, of which this is one: that the Messenger of Allah (may peace be upon him) said: When anyone amongst you (performs ablution) he must snuff his nostrils with water and then clean them.