Sayyidah Aishah (may Allah be pleased with her) said that the bowl in which the Messenger of Allah (peace and blessings be upon him) used to bathe was called 'al-faraq', "Faraq"; the Messenger of Allah (peace and blessings be upon him) and I used to bathe from a single vessel.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 925