3M™ RO301-FilterPackPLUS Replacement Filter Pack Plus Membrane

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This cartridge bundle includes the pre-filter, post-filter and RO system membrane for the 3MRO301 reverse osmosis system at a discounted price. It is recommended to replace the two filters every 12 months, while the membrane should be replaced every two to three years. 3MROP310 Granular Carbon Pre-Filter - Reduces chlorine taste & odor, has a flow rate of 8.28 gpd, and a 12-month lifespan 3MROP416 Carbon Block Filter - Reduces and/or removes particulate, chlorine taste/odor, arsenic, TDS, parasitic protozoan cysts, radium, barium, cadmium, chromium, copper, fluoride, selenium, and other chemical and biological contaminants. 3MROM413 Membrane - Reduces particulate, chlorine taste and odor, and lead. Show more