Want to stop fleas from irritating your dog or cat in 5 minutes or less? Want to eradicate 98-100% of the fleas on your lovable pet within 12 hours? Advantage II is the perfect flea killer for your dog or cat! Applied just once a month topically, Advantage II uses imidacloprid, the fastest and most effective flea preventative, to protect your dog or cat for an entire month! Whatever fun your pet is having, Advantage II is water-resistant and will continue to guard your dog or cat for an entire month from the all-too-common fleas that can inhabit any of a your pet's favorite spots! Easily applied monthly squeeze doses of Advantage II will safeguard your pet for 4 months, with no prescription required! No animal lover should have Advantage II missing from their cabinet!