Grade B dryers sre sold with a 30 day warranty. This warranty covers manufacturing defects, but does not cover wear and tear items such as cables, switches, motor brushes, hoses, nozzles etc. Grade B machines have been used and will show signs of wear and tear. All refurbished dryers from Master Service have been serviced and repaired to factory standard by our fully trained engineers. All faulty parts will have been replaced and the machines are supplied in a plain box. Some accessories may be missing, however this will not affect the performance and basic working functions of the machine.