Negative Positive
Title: Worse than nothing.Bad design.Bad quality.Won't last a month.
Review: This "on tap" filter is so poorly made that even getting a month out of it is pretty unlikely. The threads to attach to the faucet are of such low quality that they strip. leak and spray all over the place with any movement at all. The seals and gaskets are about as cheap as you can imagine, and their durability is zero. Tightening the threads, dislodge the washer and you get leaks. If the washer stays misaligned you have back flow through the faucet bypass and you get unpure water spraying into your cup. I cannot imagine a worse design. Shame on you, brita. You should be apologizing for this disaster.
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