February 4, 2021
Point-of-use (POU) systems treat the water where we drink or use water such as kitchen faucet, shower head, etc. and include water pitchers, faucet filters and under-sink reverse osmosis (RO) systems. Whole-house/point-of-entry (POE) systems treat the water as it enters a residence. They are usually installed near the water meter (municipal) or pressurized storage tank...
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