Filter bag for vacuum cleaners

A filter bag for vacuum cleaners, having a connection member, which comprises an essentially tabular main body of stiff board material and a closing slide guided thereby, the main body possessing a fitting opening for fitting the connection member onto a connector tube of the vacuum cleaner and the closing slide has a passage opening, said closing slide being adapted to be drawn out of an open position, in which the passage opening clears the fitting opening into a closed position closing the fitting opening by means of a handle part, exposed on the front transverse edge part of the main body, wherein the main body is divided into a holding ring surrounding the fitting opening on the outer side, opposite the filter bag, of the connection member, and into a guide part of the closing slide for guiding the closing slide and constituted by the rest of the main body, the holding ring and the closing slide guide part being connected together at an attachment joint part, which is remote from the handle part of the closing slide, but are otherwise separate from each other or able to be separated from each other so that in the position of use when the connection member is slipped over the connector tube on the vacuum cleaner, the closing slide guide part is able to be pivoted adjacent to the attachment joint part in relation to the holding ring remaining on the connector tube away from the connector tube so that the closing slide comes clear of the connector tube and may be drawn into its closed position.