Very small tumble dryer for box room

[Savagebeauty]

I am looking for one for a small box room which needs to be no more than 50cms wide.
Is it safe to have vented with the hose out of the window??

Yes, we used to vent the hose out of the window in our old house. Never caused a problem

Condenser dryer - doesn't need vent

I can't find a condenser narrow enough

Yep, this is what I do, although my dryer is a standard size.