PUR Pitcher Replacement Filters CRF-950Z 3-Pack; Premium filtration for deliciously healthy water; Only pitcher that removes 99.9% Microbial Cysts; Reduces 98% Lead* *This system meets the Lead reduction requirements for compliance under NSF/ANSI Standard 53 as tested by PACE Analytical Services, Inc.; Also reduces Mercury, Chlorine (taste and odor) and more; Leaves beneficial fluoride in the water; Can remove over 96% of Pharmaceuticals. (Based on manufacturer testing for reduction in levels of 12 pharmaceuticals. Pharmaceuticals may not be present in all users’ water. Pharmaceutical Reduction Not Certified by NSF International.)