This is my second one. The first lasted 25 months. Flow was limited to approximately 1 gallon per minute. The water still tasted good and even at the end of its life there was still enough pressure to wash dishes etc, especially when mixed with hot water. After installing a new one I have 1.72 gpm compared to unfiltered hot water which flows at 2.34 gpm. . This means that it is a limit of 26.5%. For reference, my water pressure is between 70 and 80psi, which I think is relatively high. Our city water here at Consolidated Mutual Water in Colorado is pretty good, but the chlorine tastes really good unfiltered. This Woder 10K filter does a good job of removing the chlorine taste. I have not tested the quality of our water in a lab to compare filtered and unfiltered. I don't think it will be too different as the pollutants are low to begin with. I think this filter just improves the taste of the water, mostly by reducing the chlorine levels. Compared to a 3M filter, which costs more than twice as much, Worr is rated at 10,000. That's the main reason I repurchased Woder. Also, I went with this older model with hoses attached rather than the newer Gen2 model which comes with a quick release mechanism. This is because I think the reliability will be better. I don't trust quick change mechanisms that last many years and don't expire. With the original style you change everything in a frame with a filter. It's easy enough to use a wrench on two connections, and it's cheaper to buy one to begin with. It took me about 20 minutes to change the filter, but I don't mind if I don't have an additional component that fails. Turning off the cold supply under the sink is also very easy. Hope this helps others. Thank you for reading. Edit: I decided to cut open my old one to see how it's arranged. I took some photos and put them here. The browner end cap filter is the feed side. You can see how much cleaner the exit page looks. I think that means there was still life in the filter, but that's just a theory based on visual inspection. I suspect that most of the narrowing occurs on the feed side since that is where the larger sediment is deposited. I would suggest that a cleanable/reusable sump filter would work well before this filter so it will last longer and flow better over its lifespan. If anyone knows something that will work well, please reply to this review.
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