The first portion of the cap 16 that defines the large cylindrical cavity 28 has {HEAD ~ a pair} of {TAIL ~ diametrically spaced arcuate shaped inlet ports} 36 and 38 positioned to allow the inflow of unfiltered water from the manifold 24 for passage through the filtration media 14 
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The first portion of the cap 16 that defines the large cylindrical cavity 28 has { HEAD ~ a pair } of { TAIL ~ diametrically spaced arcuate shaped inlet ports } 36 and 38 positioned to allow the inflow of unfiltered water from the manifold 24 for passage through the filtration media 14
OTH OTH OTH 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 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