About This

• ONE 6 DOSE PACK: Amazon Basics Flea, Tick & Mosquito Topical for Large Dogs (21-55 pounds)
• FAST ACTING FORMULA: Amazon Basics Flea, Tick & Mosquito starts eliminating fleas and ticks within 24 hours of treatment
• ACTIVE INGREDIENTS: Imidacloprid, Permethrin and Pyriproxyfen address flea infestations by killing flea eggs, flea larvae, mosquitos, biting flies and chewing lice
• LONG LASTING PROTECTION: One application provides up to 30 days of protection
• WATERPROOF: 24 hours after application your pet's treatment is protected against rain and water activities
• PACKAGING MAY VARY: Packaging may be different than what is shown but item and quality remain the same