The Murray 095080E701MA Lawn Mower Cover Mulching Door is designed to securely close the discharge opening and enable efficient mulching performance on 38", 40", and 42" mower decks. This replacement mulching door fits over the side discharge area, helping contain grass clippings beneath the deck so they can be finely cut and redistributed onto the lawn. By controlling the flow of cli... https://www.wholetoolbox.com/murray-095080e701ma-lawn-mower-cover-mulching-door-38-40-42-deck