Year-round flea and tick prevention is essential to the health of your pets. Fleas and ticks carry many dangerous diseases that could threaten the life of your pets. To help with year-round protection we are offering a great rebate offer on Vectra 3D for dogs. During March and April buy a 6 pack of Vectra 3D and get a $20 dollar instant rebate. Buy a Year Supply of Vectra and receive a $60 dollar instant rebate. This is an excellent way to protect your dog and save money as well.