The Merits of Ablutions (Wudu')

Riyad-us-Saliheen 1025
Abu Hurairah (May Allah be pleased with him) reported: I heard my Khalil (the Messenger of Allah (PBUH)) as saying, "The adornment of the believer (in Jannah) will reach the places where the water of Wudu' reaches (his body)."

[Muslim]