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Replace this systems pre & post filter every 6 months to keep your system working efficiently. The 3M quick change high performance reverse osmosis system reduces sand, sediment, rust and soil down to 0.5 microns. This system also reduces chlorine taste and odor, microbial cysts, lead, select pharmaceuticals, select chemicals, TOTAL dissolved solids, nitrates, nitrite, radium, arsenic and many other contaminants. Quick-change filters make swapping out filters super easy, no need to turn off your water Supply! Package includes: 1 pre filter and 1 post filter
3M 4US-RO-F02H Quick Change RO Under Sink Pre/Post Filters (Fits System 4US-RO-S01H) - B01M11FEHT