A baffle for a food waste disposer includes a pleated portion with pleats that define an opening therethrough for equalizing pressure in the food waste disposer above and below the baffle. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. The magazine box further includes a second locking mechanism for releasably locking the case of each of the plurality of magazines to the magazine box, and the second locking mechanism maintains the locked state at least during the automatic tray-ejection from the case in the disc apparatus is conducted.