Dust filter bag for vacuum cleaners has dust collection filter bag with connection openings, air tight cover elements, adapter plate with deformable connecting element for insertion in opening

摘要

The filter bag has a dust collection bag (1) of filter material with a filtering degree of 85-99.995 per cent, especially 95-99.95 per cent, connection openings (3) with air tight cover elements (6) and an adapter plate for each type of vacuum cleaner used with a deformable connecting element for insertion into a corresponding opening in the collection bag under deformation and then regaining its old shape.