The plurality of diagonally formed apertures function to allow air flow throughout {HEAD ~ the T} shaped {TAIL ~ two piece housing} 
shaped
The plurality of diagonally formed apertures function to allow air flow throughout { HEAD ~ the T } shaped { TAIL ~ two piece housing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL