Blower and assembly for right side of oven. Air is drawn in at the plug fan and exhausted out into the large cavity.   Blower and assembly for left side of oven. Air is drawn in at the plug fan (now top) and exhausted out into the small cavity at the bottom of the assembly. The combination of both fans produces a rotational air flow that is horizontally flowing across the interior of the oven.       To learn why an oven is an important part of advanced composite fabrication, please click here.