Advantage II for Cats is a topical cat flea treatment that helps protect your cat and home from infestations. It kills 98–100% of existing fleas on cats within 1 day after treatment and targets eggs and larvae that come into contact with skin debris from a treated pet. The easy-to-use liquid offers effective flea control for cats with convenient topical application. Choose the weight-specific option (<2.3 kg, 2.3–4 kg, or >4 kg); each box includes 2 applicators for reliable cat flea protection.