Premium Dried Fruit Hello! What Would Be The Best Brand Of Premium Dry Cat Food For A Cat With Recurrent Cystits?

Hello! What would be the best brand of premium dry cat food for a cat with recurrent Cystits? - premium dried fruit

It is the cat from my father. That way leads to the vet. I took him earlier and was diagnosed with cystitis (bladder infection). He said he changed his diet as a food very cheap and poor quality.