Product review (5 stars): works like the original one
I just bought a Samsung french door refrigerator, and this filter was the one that's compatible among many off brand filters.
The filter fit perfectly, and I had no issues installing it. And it works fine without any leakage. The hole size on top of the filter is slighly bigger than the original one, but the filter fitted fine despite the concern.
There's no way for me to scientifically compare the filtering capability on this off brand filter and the original one, but the water tasted fine and looked fine. Also, I haven't tried any other off brands yet, but certainly I am planning to keep buying these filters for the refrigerator in the future unless I find leaks. If anything  happens to this filter, or I find issues during the next six months of usage, I will certainly update this review. But for now, I am happy with the filter.