This is probably my fourth reverse osmosis unit in years and I can say it has been the best unit yet. This replaces another brand X device that failed after a few months. It came with all the parts and fixtures to fit my sink (my last RO took a $40 trip to Home Depot). It also comes with optional shut-off valves to minimize the amount of water spilled when changing hoses. All press-fit connections worked without leaks. In terms of water quality, it is a reverse osmosis filter. The first filter chamber is clean so I can watch the sediment build up instead of changing it on an arbitrary schedule. I will definitely buy this model again.
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