an inner wall having an inner surface and an outer surface, the outer surface secured to the inner cavity of the T shaped {TAIL ~ two piece housing}, the inner wall having a plurality of diagonally formed apertures therein, the plurality of diagonally formed apertures functioning to allow air flow to enter the T shaped {HEAD ~ two piece housing} 
an inner wall having an inner surface and an outer surface , the outer surface secured to the inner cavity of the T shaped { TAIL ~ two piece housing } , the inner wall having a plurality of diagonally formed apertures therein , the plurality of diagonally formed apertures functioning to allow air flow to enter the T shaped { HEAD ~ two piece housing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD