Originally Posted by alaxfire

Seriously, you might think about running them all the way down to the plastic belly pan, then possibly fabbing a plastic surround from the belly pan up for each filter after drilling some 1/2" holes in the pan inside the surround. This WOULD give them some cooler air inside the compartment.

oooh oooh - just thought - you could use empty 1 gallon paint cans for the surround with matching 1/2" holes cut in the bottom ...