The membrane was specifically marked "Watt" but other filters were non-Watt and did not fit as well as the original filters. They also didn't include a 1 micron filter that was supposed to be included instead of the 2-5 micron filters. As a result, the water did not meet the standards of the original OEM filters. I'm keeping the manifold as it's Watt, but I buy more filters direct from Watt to get the right fit and quality. I am very dissatisfied and will no longer use this provider.
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