Good through June 30, 2017 Purchase Frontline, NexGard and Heartgard products to receive rebate. Level 1 - 10-19 cartons get $4 rebate Level 2 - 20-29 cartons get $8 rebate Level 3 - 30-49 cartons get $10 rebate Level 4 - 50-79 cartons get $12 rebate Level 5 - 80-119 cartons get $14 rebate Level 6 - 120 or more cartons get $16 rebate *Ten 6-packs or five 12-packs of any HeartGard brand products = 1 carton. *Ten 3-packs of NexGard and/or Frontline Plus brand products = 1 carton. *Ten 6-packs of NexGard and/or Frontline Plus brand products = 2 cartons. *Six 250 mL bottles or six 500 mL bottles of Frontlime Spray = 1 carton. *Six 3-packs or three 6-packs of Frontline Gold brand products = 1/2 carton. Earn additional rebate on FrontLine Gold cartons - limit one rebate per customer. Level 1 - 10-29 cartons get $250 Level 2 - 30 or more cartons get $1,000 *Only Licensed Vets and Clinics are eligible. *Mix or match. *Rebates can be achieved cumulatively and will be sent 6-8 weeks after end of promo