Revolution Dog 20-40kg Broad spectrum protection from dangerous pests is important for your pet’s health. Kills adult fleas and prevents flea eggs from hatching for one month, and indicated for prevention and control of flea infestations (Ctenocephalides felis). Prevention of heartworm disease caused by Dirofilaria immitis Treatment and control of ear mite (Otodectes cynotis) infestations. Treatment and control of sarcoptic mange (Sarcoptes scabiei) Control of tick (Dermacentor variabilis) infestations. Key Features: REVOLUTION is a prescription-only medicine, not a pesticide Broad-spectrum protection against most internal and external parasites - Kills adult flea and their eggs - Fast, simple and easy to use - Because of the low-volume dosage size, the solution can be applied in one spot - Non-greasy, - Quick-drying preparation - Bathing pet 2 hours after application does not affect efficacy