https://www.petfoodsettlement.com/claim/default.aspx
See Documents section for list of products.

Option 1: NO VALID PROOF OF PURCHASE. Complete the Claim Form, answer the following question, and confirm under penalty of perjury to receive a minimum cash payment of $5 or a maximum cash payment of $10, subject to a pro rata adjustment.
Option 2: VALID PROOF OF PURCHASE ATTACHED. Complete the Claim Form to receive a minimum cash payment of $5 or a maximum cash payment of $200, subject to a pro rata adjustment.