The Hartz Control collar works two ways:
it kills adult fleas and ticks on your cat, and stops the
development of new flea eggs for up to 7 months. Collar is
fully adjustable and waterproof for continuous protection.
For use on cats only, age 12 weeks and older. Please note:
Use any flea and tick product with extreme care. Please read
the instructions to ensure use of correct product and type
for your pet. Contact your vet with questions.
Active Ingredients: tetrachlorvinphos
(CAS# 22248-79-9) 14.55%, (s)-methoprene (CAS# 65733-16-6)
1.02%. Other Ingredients: 84.43%.
