Supplier of high quality animal health care products Durvet presents the Spectra Shield Spectra Shield Collar Attached Medallion， Medium. The medallion snaps on easily to the dogs collar and offers 4 months of flea and tick control. The Spectra Shield Spectra Shield Collar Attached Medallion contains a powerful synergized pyrethroid - zetacypermethrin - that kills adult fleas and ticks effectively. A second ingredient， oxidase inhibitor Piperonyl Butoxide， ensures maximum effectiveness against ticks during all stages of their blood-feeding life cycle. This product's sustained release delivery system ensures the continuous release of very small amounts of active ingredients， consistently replenishes active ingredients to the skin and coat and prevents heavy concentrations of active ingredients on the animal.

For control of ticks and fleas on dogs for up to 4 months
Collar medallion that contains a powerful synergized pyrethroid insecticide that kills adult fleas and all stages of ticks
Exhibits very low toxicity to animals and humans

Active Ingredient: Zetacypermethrin， S-Enantiomer* 10%， Piperonyl Butoside Eter And Related Components 20%， Other Ingredients 70%