PetLock II Flea Treatment for Dogs 3-10 lbs 4 Month Supply

PetLock II is a once-a-month topical flea treatment for dogs 7 weeks of age or older. PetLock II kills and controls all flea life stages. Contains the same active ingredients used in Advantage II Uses a waterproof fragrance free formula Kills existing fleas on dogs within 12 hours and continues to prevent infestations for up to 4 weeks Monthly treatments are required for optimal control and prevention of fleas 4 month supply