December 10, 2013 No Comments FREE Purina Wet Dog or Cat Food at Petco Print coupon and present it with your Pals Rewards card to receive a FREE Purina Wet Dog or Cat Food (any one item up to $1.99) at Petco. Expires 1/31/2014. Locations. FREE Purina Wet Dog or Cat Food at Petco – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.