PetLock® II is a once-a-month topical flea treatment for cats 8 weeks and older. PetLock® II kills and controls all flea life stages
PetLock® II for Cats contains the same active ingredients used in Advantage® II. PetLock® II uses a waterproof, fragrance free formula.
Fleas: PetLock® II kills existing fleas on cats within 12 hours and continues to prevent infestations for up to 4 weeks. Monthly treatments are required for optimal control and prevention of fleas.