Frontline Plus: Purchase 6 doses of Frontline Plus and get a 7th dose free.

Revolution: Purchase 6 doses of Revolution and get a 7th dose free.

Advantage: Purchase 4 doses and get a 5th dose free.

Heartgard: Purchase 12 doses and get a $12 refund.

Feliway: Get $10 back when you purchase a diffuser and a refill OR 3 refills.