Zodiac Spot On treatments for large dog breeds contains Insect Growth Regulator (IGR) to treat flea eggs and prevent reinfestation. Each applicator treats and repels fleas, ticks, and mosquitoes for up to 30 days.

• Treats and repels for up to 30 days
• Treats flea eggs and prevents reinfestation
• 4 month supply
• For large dogs 60+ lbs

Features the Pet Specifix Applicator and Accu-Tip Dispenser, which helps prevent misapplication. Each package contains a 4-month supply. Do not use on puppies less than 6 months of age. Consult your veterinarian before using this product on debilitated, aged, medicated, pregnant, nursing dogs. Do not use on cats.

Directions:
Puppy: up to 15 lbs.
Small Dog: 16-30 lbs.
Medium Dog: 31-60 lbs.
Large Dog: 61+ lbs

Note: Do not use on Cats!