(36) باب مَكِيلَةِ زَكَاةِ الْفِطْرِ
It was narrated that:
Ibn 'Abbas said concerning Sadaqatul-Fitr. "A Sa' of wheat, or a Sa' of dates, or Sa of barley, or a Sa' of rye." (Sahih Mawquf)
Reference: Sunan an-Nasa'i 2509
In-book reference: Book 23, Hadith 0
English translation: Vol. 3, Book 23, Hadith 2511