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
