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Instantly deliver great tasting water with reverse osmosis systems from Grainger. Reduce contaminants such as lead, cysts (Giardia, Cryptosporidium), sediment, rust, sodium, chromium and chlorine taste and odor from the water supply. The prefilter removes sand, silt, dirt, rust particles, other sediments, and chlorine from the water supply before it can enter the RO membrane. RO systems have an automatic shutoff valve that closes to prevent water waste.Close

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