Buy Advantage for Cats at a cheap price online from us! Advantage for Cats is an easy to use and effective flea killer. Advantage is made by Bayer who also produce Advocate for Cats. Advantage for cats will kill fleas and kill flea larvae for a full month. Advantage can be used on kittens from 6 weeks of age, it is also safe to use on pregnant and lactating animals. You can purchase Advantage for Cats in a single dose, 3 packs, 6 pack and 12 packs for the best price to suit any budget.