$5.15 OFF Purina Pro Plan Product Coupon December 5, 2013 By: Tricie share Head over to Purina.com and Snag your $5.15 Purina Pro Plan Coupon. You have to provide some information including your email address. Then they will email the coupon to you. *Limit 1 per email address Thanks, Dan Please be advised that this post may contain affiliate links. See my Disclosure Policy for details.