Product review (5 stars): works like the OEM Puresource 2 filter
These filters are not equivalent to the Puresource 2 filters.  The one I tried did not fit into my refrigerator and I did not try to jam it in because I've never had to do it before.  I've purchased other after market filters from Amazon before and have never had an issue before. There is a slight difference that prevents the filter from fully engaging in the refrigerator.

UPDATE:  Frigidaire made a filter adjustment which leads to the new filters not fitting properly.  Saw the information on another review so I contacted Frigidaire and they are aware of the issue with certain model refrigerators.  I gave them my model and serial number and my refrigerator is one of the affected ones.  They sent a local technician out to replace the filter housing and now these filters fit perfectly.  It took a couple weeks for the part to come in and the technician to install it but it's worth the trouble.  Frigidaire said they would make the replacement through November 2017.