I never leave product reviews but after receiving this fantastic filter that replaced an expensive polyurethane faucet filter that fell apart in 3 years (buy THIS not THAT) and after I have read so many reviews about "My PIN". that does not work! :( " I had to say something. First of all, this faucet filter is great because it's impossible to accidentally run hot water through it (don't do that) because the pin that switches it from filter to faucet is automatic put it into faucet mode It does this in a simple but elegant way - water pressure This means it is held open by the water flowing through the filter and locks when the water stops This also means you can let the water out need to turn in the faucet then pull the pin to switch to the filter otherwise you won't have any water pressure to keep it open and it just closes.Very easy to use and the design means it will last a long time. Thanks Culligan I also love that the filters are so easy to remove they just unscrew from the bottom with the finger grips which makes it easy I am disabled and a ll this feature alone made me cry with joy three months coloring? No longer! It also has the fastest flow, probably because the design doesn't force the water to travel far to get to the filter. At least twice as fast as my old advanced PUR system. I would pay $40 for this faucet filter and I still love it. That I paid $21 is ridiculous. I'm sure my stupid PUR will survive for a long time.
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