Revolution for Dogs 11-20 lbs (5.1-10 kgs) is a effective flea & heartworm control treatment. This Revolution for Dogs 11-20 lbs (5.1-10 kgs) comes in a 12 pack, which will treat fleas & heartworm on one small dog for 12 months. Revolution for small Dogs comes in a brown packet. Revolution for very small Dogs kills adult fleas, kills flea eggs, kills flea larvae, treats heartworms, treats ear mites and treats sarcoptic mites. Revolution brown flea & heartworm treatment is a very easy way to control and get rid of fleas, heartworm, worms and earmites for your dog. To buy Revolution for Dogs 11-20 lbs (5.1-10 kgs) flea & heartworm control in a 12 pack, just click add to cart and you’re on your way to making your dog flea & heartworm free.