An under kitchen sink reverse osmosis water filter that has a outlet on or under the counter and a line to the refrigerator works well to provide very good drinking water.

Regarding the system diagramed in the 1st post the only thing I would consider changing is I would put the 0.35micron filter at the kitchen sink instead of using it to filter all the house water. IMO the 0.35 micron filter size is very small and will relatively quickly clog when lots of water passes through it daily. You will need to change that filter often - time and expense. It is not necessary to use that small of a filter for the entire house; 5 micron is adequate for everything except drinking water.

Last edited by Bill Cody; 11/29/13 12:00 PM.

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