PetLock II is a once-a-month topical flea treatment for cats 8 weeks of age or older, and kills and controls all flea life stages.
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.
PetLock II has the same active ingredients used in the product "Advantage II" and will protect your pet from fleas and chewing lice.
