Good through September 22, 2017. Purchase eligible products & 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 Purchase 10 cartons and earn double rebate on FrontLine Gold cartons - limit one rebate per customer Bonus increase YTD sales by 5% verses last yr & Purchase 50 cartons of Heartgard and receive 3x rebate amount! *Vets & Clinics - Mix and match - cumulative rebates *Max rebate value is $4,000