Product review (1 stars): I don't know how the positive reviewers were able to ...
I don't know how the positive reviewers were able to get this to work, but I bought a 3-pack and the first two flooded my fridge.  The installed filters (and I've had no problem installing original LG filters) felt wobbly and never felt tightly connected.  It's back to paying far too much for original LG filters, but at least they work.