PETARMOR LongLast Fipronil Flea and Tick Spray for Dogs and Cats PetArmor LongLast Flea and Tick Prevention for Dogs and Cats kills fleas and ticks, even ticks that may spread Lyme disease This long-lasting formula works to kill fleas and ticks for a full 30 days PetArmor flea & tick treatment protects dogs, cats, kittens, and puppies 8 weeks and older by disrupting the life cycle of adult fleas Works alone to kill fleas on both indoor and outdoor dogs and cats, not to be paired with other products Simply spray and go-this fast-acting flea spray starts working in 5 minutes and may be air-dried or blow-dried