🐶 Keep your pup flea-free and fabulous! Administer as often as once daily for re-infestations. Safe for sensitive pups, no allergens included. Get effective flea control without a vet visit. Easy-to-give soft chew for hassle-free treatment. Starts killing fleas within 1 hour! flavored chew 23-110 lbs 1-hour action Advantus Chewable Flea Treatment for Dogs is a fast-acting, flavored chew designed for dogs weighing 23-110 lbs. With its active ingredient, imidacloprid, it starts killing adult fleas within just one hour. This allergen-free treatment is easy to administer and can be given daily if needed, making it a convenient choice for pet owners looking to protect their furry friends from flea infestations.