Durvet Spectra Shield Collar Attached Medallion, 30 to 55-Pound

It's easy! No mess, no stress. Just clip'n go.
Spectra SHIELD™ Collar Attached Medallions contain powerful ingredients to offer 4 months of flea and tick control for dogs.

The medallion snaps on easily to the dog’s collar so there is no mess and no stress! It is available in 3 different weight sizes. The medallion contains a powerful synergized pyrethroid - zetacypermethrin - that kills adult fleas and ticks at maximum efficacy. The second ingredient, Piperonyl Butoxide, is a mixed function oxidase inhibitor which ensures the maximum effectiveness of Spectra Shield against ticks during all stages of their blood-feeding life cycle.

• 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