Protect your extra-large dog from fleas and ticks with PetLock Max Flea & Tick Treatment. Designed specifically for dogs over 55 pounds, this powerful topical treatment provides a 4-month supply of effective protection. PetLock Max kills and repels fleas, ticks, mosquitoes, biting flies, and lice, ensuring your furry friend stays comfortable and healthy. This easy-to-apply treatment offers long-lasting defense against pests, giving you peace of mind.

PetLock Max contains the same active ingredients used in K9 Advantix® II, offering a trusted solution for flea and tick control. It kills and repels adult fleas, controls the hatching of flea eggs, and kills flea larvae, breaking the flea lifecycle. This water-resistant formula remains effective even after baths or exposure to rain, making it a reliable choice for active dogs.

• Specifically for extra-large dogs over 55 lbs
• 4-month supply (4 count)
• Kills and repels fleas, ticks, mosquitoes, biting flies, and lice
• Same active ingredients as K9 Advantix® II
• Controls hatching of flea eggs and kills flea larvae
• Water-resistant formula