An adapter device for suctioning air out of plastic bags of a type typically used for containing fallen leaves and other yard waste for disposal comprises a screen that surrounds a space that is connectable in fluid flow relation with the suction end of the vacuum hose, a shield positioned around the screen that is capable of preventing a plastic bag from being sucked by vacuum to the screen. The mouth of the shield is sized for blocking leaves or other yard waste matted in the bag from being sucked to the screen while allowing air in the bag to flow to the screen.
