Where it is desired to increase or change the filtering efficiency, {HEAD ~ capacity} or ability of {TAIL ~ the filter pad} 10, adsorbents or other filter material may be disposed in the pocket 12 in amounts sufficient to achieve the desired result, which amounts may be readily determined by one skilled in the art 
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Where it is desired to increase or change the filtering efficiency , { HEAD ~ capacity } or ability of { TAIL ~ the filter pad } 10 , adsorbents or other filter material may be disposed in the pocket 12 in amounts sufficient to achieve the desired result , which amounts may be readily determined by one skilled in the art
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH REL 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 OTH OTH OTH OTH OTH OTH