I use this connection to my company's cold water tap exclusively for drinking water. I have an H300 at home. The difference is mainly in the flow rate. The H300 is a small, thin jet, suitable for filling a kettle or cup, and it's more advanced filtration, but not overly powerful. Whether you need a quick water dispenser for a commercial space or your kitchen sink cold water line, for example, this is what you need.
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