I've been using this for a few months now. Here are the highlights: MADE IN USA. Support American workers and businesses. Takes up no more room than a bottle of dish soap, perfect for filtered water on demand The ability to switch between filtered and unfiltered water at the tap is a huge plus Discoloration - No leakage due to manufacturing defects - Taste not as good as the first week or two of use but still significantly better than without a filter. different nozzles but it allows for several different types of taps and once I found the right combination I had no problems. I had to try several combinations to find the best one. The filter was not used for two weeks, while i was out of town; no problem with mold, fungus or anything else that ze it. Some general advice: - If your block is leaking at the base of the filter neck (pictured) it is just a two o-ring press fit. Head down and it's good. Mine came loose after snagging on the rim of the Keurig tank while filling. - Try a few different washers and adapters - some of these fit my faucet, but some of the washers were too thick and didn't fit. Allow the adapters to fully tighten. - If your valve retainer is leaking between the smooth part and the knurled part, remove it from the faucet and tighten the socket head cap screw as it may just be loose. I hit the faucet head hard enough to turn it on while washing dishes one night and it started dripping. The mount also started to wobble. Thinking I broke it, I removed it from the faucet to inspect and noticed that there is a hex screw inside the valve. After I tightened it everything worked as it should. Overall I am very satisfied with this product. We use it every day. Our city water smelled and tasted awful of chemicals. The water made us sick too. Once we use this filter we no longer feel sick, we no longer smell the chemicals coming out of the faucet and the taste improves. Our Keurig tank, which we fill with this filter, also has significantly less mineral deposits. All maintenance issues are very simple and easy to fix. I have yet to change the filter so will update this review when I get to that point. I couldn't get the bubbles out of the filter housing but they don't seem to affect anything.
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