A disinfection apparatus is disclosed for disinfecting fluid cleaning of health care objects and the like. The disinfection apparatus includes a fluid system for supplying fluid to a chamber, an at least partially movably arranged first connecting part with an active and an inactive position, which is adjusted to a mobile object holder, which object holder is to be placed in the chamber and has a second connecting part connectable to the first connecting part. The first connecting part is movable, under the action of the pressure in the fluid system, between a position disconnected from the holder and a position connected to the active position, i.e. to the second connecting part. A fluid connectable mobile object holder is also disclosed, which is adapted to be placed in a chamber of a disinfection apparatus as stated above.