Advantage Flea Control Purple: For cats over 9 lbs. 4 Month

Stops fleas from biting within three to five minutes
Starts killing fleas within an hour
98-100% are killed within 12 hours
Applied monthly Advantage Flea Control for Cats kills fleas within 12 hours, preventing them from laying eggs. Effectively kills reinfesting fleas within 2 hours, preventing further infestations for up to 4 weeks. Remains effective even if your cat is bathed weekly or is outside in the rain. For best results, bathe your cat with a non-detergent shampoo. Fragrance free. More »