Central piece with control knob for mechanical timer Qx polar white, velvet. Central piece with control knob for mechanical timer, with print, running time 120 minutes. Flush-mounted installation, surface program. Material: plastic, duroplast, halogen-free. Central piece with control knob for mechanical timer, with print, running time 120 minutes. Flush-mounted installation, surface program. Material: plastic, duroplast, halogen-free.