Tumble dryer, comprising: - a housing provided with a charging opening for accessing a laundry treatment chamber contained into said housing, wherein said laundry treatment chamber comprises a drum rotatably contained into said housing and provided, at its front end, with an opening facing said charging opening, for loading/unloading laundry into said drum, a lower region of said laundry treatment chamber being delimited by a structural element; - a front door for closing/opening said charging opening, having an outer side and inner side which is directed towards the drum when the door is closed, said inner side being bowl-shaped and having a curved section that merges into a bottom section - an exhaust duct, which inlet is arranged adjacent to said opening of said drum, in which an air flow exiting said laundry treatment chamber is conveyed, - a filter arranged at the inlet of said exhaust duct in such a way that said air flow streaming through said laundry treatment chamber enters said exhaust duct passing said front end wherein the air flow is guided by the curved section and the bottom section towards said filter to passing through said filter, wherein said filter is supported by the structural element and is arranged below the bottom section in such a way to be adjacent to said door when the door is in a closed position in which it closes said charging opening, characterized in that said filter has at least an obstructing region wherein at least a part thereof is arranged in such a way to be positioned adjacent to the bottom section of said front door when said front door is in said closed position, and to extend between the structural element and said bottom section of said front door when the latter is in said closed position, wherein said obstructing region forms a barrier for laundry between said bottom section of the front door and the structural element to prevent laundry from entering a region between said door and said filter when said front door is in said closed position. - a housing provided with a charging opening for accessing a laundry treatment chamber contained into said housing, wherein said laundry treatment chamber comprises a drum rotatably contained into said housing and provided, at its front end, with an opening facing said charging opening, for loading/unloading laundry into said drum, a lower region of said laundry treatment chamber being delimited by a structural element; - a front door for closing/opening said charging opening, having an outer side and inner side which is directed towards the drum when the door is closed, said inner side being bowl-shaped and having a curved section that merges into a bottom section - an exhaust duct, which inlet is arranged adjacent to said opening of said drum, in which an air flow exiting said laundry treatment chamber is conveyed, - a filter arranged at the inlet of said exhaust duct in such a way that said air flow streaming through said laundry treatment chamber enters said exhaust duct passing said front end wherein the air flow is guided by the curved section and the bottom section towards said filter to passing through said filter, wherein said filter is supported by the structural element and is arranged below the bottom section in such a way to be adjacent to said door when the door is in a closed position in which it closes said charging opening,