Bonide Flea Beater for Pets is a ready to use formula which helps prevent and stop infestation of fleas and ticks for up to 4 weeks. It uses the active ingredient, Fipronil which effectively kills fleas and ticks including those that may transmit Lyme disease such as lone star ticks, brown dog ticks, American dog ticks, and deer ticks. It will kill ticks and fleas for as long as 30 days. It also provides up to 90 days of protection to dogs against fleas. It also features water-proof formulation which does not leave odor or oily residue to your pet. It is recommended for dogs, cats, puppies and kittens 8 weeks or older. product comes in a 16 oz ready to use bottle with a trigger sprayer.