Take note it's 3 doses in 1 box totalling 12 doses for 4 Boxes 

WHAT IS REVOLUTION?

Easy to apply, quick to dry, REVOLUTION® (selamectin) protects cats against a variety of common internal and external parasites. REVOLUTION is the first FDA-approved, topically applied medication for cats 6 weeks and older that:

• Prevents heartworm disease
• Kills adult fleas
• Prevents flea eggs from hatching
• Prevents and controls flea infestations
• Treats and controls ear mites
• Treats and controls sarcoptic mange
• Controls American dog tick infestations

REVOLUTION is quick-drying, nongreasy and waterfast, with no unpleasant odor, so you can cuddle and play with your cat as soon as the product dries. Bathing your cat 2 hours after application does not reduce the effectiveness of REVOLUTION.

REVOLUTION is a prescription-only medication available only through a veterinarian, not a pesticide registered by the Environmental Protection Agency (EPA).

Ask your veterinarian about REVOLUTION today.

HOW REVOLUTION WORKS

Just one dose a month applied at the base of the neck in front of the shoulder blades is all yourcat needs for protection against fleas, heartworms and other parasites. No pills. No sticky sprays. No more hassling with multiple products.

After application, REVOLUTION enters the bloodstream through the skin. Concentrations of REVOLUTION in the blood and tissues prevent heartworm disease. REVOLUTION selectively redistributes from the blood to the skin, where it provides protection against fleas, flea eggs, American ticks and mites.