Zodiac Spot On treatments for mid-size 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 medium dogs 31-60 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!