Protect your furry friend with PetLock Max Flea & Tick Treatment, a powerful solution designed to keep your dog comfortable and free from irritating infestations. Specifically formulated for large dogs weighing between 21 to 55 pounds, this treatment offers long-lasting protection against fleas, ticks, and chewing lice. With its easy-to-apply spot-on design, you can quickly safeguard your dog against harmful parasites, allowing them to enjoy their outdoor adventures without worry.

• Effective against fleas, ticks, and chewing lice
• Long-lasting protection for up to 30 days
• Water-resistant formula for continued effectiveness
• Easy application with a convenient spot-on design
• Contains the same active ingredients used in Advantage II

PetLock Max provides a 4-month supply of flea and tick control. Keep your pet happy and healthy with this trusted and effective treatment. Don't let fleas and ticks ruin your dog's day – choose PetLock Max for reliable protection.