My first time to replace on my new fridge, I struggled trying to figure out how to remove the previous filter, then trying to replace the new was even a bigger struggle.  Instructions were very much lacking.  Finally a family member figured out I wasn’t turning it enough to tighten.  It was very difficult, and not wanting to break anything was my problem.  Now I know what to do so the next one shouldn’t be a problem. [This review was collected as part of a promotion.]