Easy to installAt first I had difficulty installing because I didn’t realize that there were two shut off valves. The housing for the filter wouldn’t turn until I realized that there was a second valve under my sink which needed to be turned off. After that, installing was a snap!It works as expected.This used to keep the battery charged on my older Honda Generator.Not sure what is meant by flavor but the water is fine tasting. Unt fits and delivery was as expected.I had to write this review so nobody repeats my mistakes. This was my first time replacing this filter because we rented this house. I knew nothing about it and went to youtube for help and surprisingly found nothing but I did find the manual on aqua pure’s website. When the filter arrived it had directions (you never know so I wanted to be prepared). It was hard getting the outer canister off. I was afraid I was going to rip it off of the cabinet wall so I started tapping all around it in case there was sediment etc sticking and that did the trick and the canister finally unscrewed. I then unscrewed the filter cartridge that’s inside with no problems (have a towel and bowl under to catch water)and cleaned around everything because there was calcium gunk and chunks stuck inside the cap. I started screwing the new filter cartridge in per the directions which said hand tighten and it just kept spinning and then SNAP, the nipple part with the threads broke off inside the cap. (This is what happened to other reviewers and I was totally careful and it still happened to me -definetly a design flaw because you feel resistance but not really tightening) I called amazon and they sent a replacement no charge the next day. I had to use a flat head screw driver that was a little bigger than the hole inside where the broken nipple was stuck and gently wedge it in there and turn it slowly to unscrew the broken piece back out of the cap and it worked! This time I counted the threads on the nipple of the new filter cartridge and gave a full turn for each thread I counted (about 10) and then I turned the water on under the sink a little and it leaked out so I gave it another full turn 2 or 3 more times until the water wasn’t leaking out and I could turn the water back on all the way with no drips. I put the silicone lubricant (you’ll need this FYI) around the rubber ring of the new canister cover and screwed it on. I placed Tupperware and dry paper towels under the canister and opened the faucet all the way for the recommended 5-10 minutes and success! No leaks and great faucet pressure. Hope this helps!It fits, it works to some extent (water tastes better)Rotate it in no more than 5 revolutions upon instal and you won’t break the tip off.All that said, I have NO IDEA if these are a *good value*. They’re cheaper than 3M, sure. But so is a pack of gum. Do these knock off filters work as well as 3M? Do they last as long as 3M?I don’t know the answers and neither do most of the reviewers posting here.Great buy and an easy installationI had exact same problem as T Brown. The first one broke half way through screwing it. It wasn't even tight that I felt it is wobbly. The head pice got stuck in the housing which was a pain to take out. I tried the second filter and was perfectly fine. What a waste of a filter considering they are not cheap.The first one we tried screwing on had its tip break off. I've included pictures below. I did not return to Amazon and I ended up using the second one in the pack but I will be contacting 3M.Filter was defective, cost us $250 for repairing our ice and water to our refrigerator. The filter sent the charcoal into the refrigerator instead filtering it. Not happyThe 3 M products is very good filtration for our under the sink water filterWe use it for making coffee or teaReplacement cartridge.. Always had to buy through my plumber. Glad to find it on line.