Miele PDR 908 HP Operating And Installation Instructions page 17

Fabric conditioner and similar products must be used according to

the instructions on the manufacturer's packaging.
Benzine, petrol, paraffin, or any easily flammable liquid must not

be stored or used near the machine. Danger of explosion.
Do not expose the dryer to air which is contaminated with vapour

of chlorine, fluorine or other solvents. Danger of fire.
For tumble dryers with stainless steel surfaces:

The stainless steel surfaces must not come into contact with liquid
cleaning and disinfecting agents which contain chlorine or sodium hy-
pochlorite. These agents can have a corrosive effect on stainless
steel.
Aggressive vapours containing chlorine can also be corrosive.
Do not store containers of these agents near the tumble dryer.
Warning and Safety instructions
17