Bests & Worsts Reviews from Amazon

I ordered the 5231JA2006B/LT600P LG Refrigerator Replacement Water Filter Cartridge removes the following impurities from your drinking water: 99.35% of Lead at pH 6.5 99.31% of Lead at pH 8.5 91.20% of Mercury at pH 8.5 96.70% of Mercury at pH 6.5 96.30% of Benzene 99.99% of Cysts 95.90% of Atrazine 99.09% of Lindane 93.06% of 2,4-D 97.60% of Chlorine 99.30% of Turbidity 99.90% of Particulates (Class I) HOWEVER, instead I received the 5231JA2006A LG Refrigerator Replacement Water Filter Cartridge removes the following impurities from your drinking water: 97.4% of Chlorine 93.2% of Particulates (Class I) You can pick up the "A" cartridges for about $30, and they only remove Chlorine and 93% particulates. I was unable to return via the web, and now have to contact Customer Service. This the second Amazon approved vendor who sent me the wrong or bogus item