Nutri-Vet K9 Defense for Dogs Flea & Tick and More Puppy is a convenient easy to apply topical solution for killing Fleas, Ticks, Mosquitoes, Lice and Mites on puppies from 5 pounds to 10 pounds. For use on puppies 12 weeks of age or older. Nutri-Vet Defense convenient application kills, repells and prevents re-infestation of fleas for up to 5 weeks. Kills, repels and prevents re-infestation of ticks for up to 6 weeks. Kills and repels mosquitoes, lice and mites for up to 4 weeks.

Kills Fleas, Ticks, Mosquitoes, Lice and Mites Kills, repels and prevents re-infestation of ticks for up to 6 weeks.Kills, repels and prevents re-infestation of fleas for up to 5 weeks. Active ingredient is 45% permethrin. Available in 4 sizes based on body weight, starting at 12 weeks of age: Convenient easy to apply topical solution. 3 Month Supply.