In a message dated 6/27/2004 8:39:01 PM Central Standard Time, Mikeamauro@aol.com writes: The "tin" of which you speak is there to force cooling air around the bottom of the jugs The deflectors are actually there to restrict the airflow over the jugs and force it through the heads, where most of the heat is generated. There are really a good thing to have installed. Ned