Nulo Coupons on 11ib. Medal Series Dry Dog Food Dog Food Advisor › Forums › Dog Food Coupons › Nulo Coupons on 11ib. Medal Series Dry Dog Food Viewing 1 post (of 1 total) Author Posts February 16, 2018 at 2:42 am #110761 Report Abuse Susan IMember Coupons available in store on 11lb. bags of Nulo Medal Series Dog Food. Medal Series is sold at PetSmart. Coupons good until end of 2018. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.