From him from Abu Muhammad Al-Hajjal from Abu Ishaq from Abu Bakr Al-Hadrami:
Abu Abdillah عليه السلام, peace be upon him, said: "There is no harm in blowing during the prayer at the place of prostration as long as it does not harm anyone."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 354