I ordered this filter system to filter well water and reduce sediment. I only gave it three stars because the included screws that attach the case to the bracket were too small and I had to make an extra trip to the hardware store to buy larger screws. Also in the description it is mentioned that there is a pressure release button. That is not right. There are bleed screws, no knob. Each filter has its own standard air outlet. A screw is in a very hard-to-reach place when the case is mounted on the wall. A pressure release button would be much better and that is one of the reasons I bought this unit. I can't stop the project now, so I'm using this filter, but I suggest you keep shopping if you want a filter that's easier to maintain.
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