Innova senior canned is usally reccomended for Renal insuff.
Its made by Natura. Protein level is 4.4
http://www.naturapet.com/display.php?d=home-tab
You can look up store locations on thier site.
Or order online at
http://www.petfooddirect.com/store/p...CLLBBBLJ2679H3
I have ordered online from this site many times, they only draw back is it usually takes about 7-10 days to get it.
Good luck