Product review (5 stars): Buy this one for sure
I bought this to replace my LG filter that had become warped in a year and was causing a lot of damage to our clothes. I tried to tweak the old filter but it just would not sit in properly. I ended up getting the Amazon recommended three piece set which inclded this filter (ADQ56656401), the cover (MCK49049101) and the frame/guide (MEA49050001). I did not find that the frame/guide offered and resolution but installed it anyway since I had it. The new assembly works like new and I'm very pleased with the results.
As for LG, I'm not too thrilled about their poor design and workmanship of something so basic as a lint filter, however that's for another review.