Narrated Aisha, Ummul Mu'minin:

The Prophet (ﷺ) used to wash himself with a sa' (of water) and perform ablution with a mudd (of water). Abu Dawud said: This tradition has also been narrated by Aban on the authority of Qatadah. In this version he said: "I herd safiyyah."

حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، حَدَّثَنَا هَمَّامٌ، عَنْ قَتَادَةَ، عَنْ صَفِيَّةَ بِنْتِ شَيْبَةَ، عَنْ عَائِشَةَ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَغْتَسِلُ بِالصَّاعِ وَيَتَوَضَّأُ بِالْمُدِّ ‏.‏ قَالَ أَبُو دَاوُدَ رَوَاهُ أَبَانُ عَنْ قَتَادَةَ قَالَ سَمِعْتُ صَفِيَّةَ ‏.‏