Genuine Dyson DC25 Duct Hose

When would this part need replacing?
- When it is split or damaged
- When it keeps coming away from the Dyson body

Fits The following DC25 models:
DC25 Overdrive, DC25i, DC25 Multi floor, DC25 All floors, DC25 Multi Floor exclusive, DC25 Animal, DC25 Blitz it, DC25 DRAWING Limited Edition

Genuine Dyson DC25 duct hose 914197-03