Heavy duty construction. Install it in front of the water softener to filter out the chlorine in the city water so that the tar layer in the softener lasts longer. I bought a spare O-ring, silicone grease, and a spare filter cartridge so I'll be ready when it's time to change the filter (6 months to a year depending on water flow - good for 50,000 gallons or until water pressure hits the desired level falls). . becomes problematic). The cartridge is expensive (around $49), but it's worth it for the job this filter does. The flow rate through the filter is very good. Can't tell it's there. So far, so good. I haven't bothered to change the cartridge yet. It would be nice if it had a pressure release button. Anyway, after the shutdown, you need to go inside and open the nearest faucet to release the pressure. Let's see how it goes.
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