Slate-colored Corathon® insecticide cattle ear tags with FyberTek® can be used for both beef cattle and non-lactating dairy cattle. Contains 50% organophosphate insecticide, 25% more active ingredient than the Co-Ral Plus® Insecticide Cattle Ear Tag. Controls horn flies, face flies, Gulf Coast ticks, and spinose ear ticks for up to five months. Controls pyrethroid-resistant and chlorinated hydrocarbon-resistant horn flies. Controls face flies, the mechanical vector of Moraxella bovis, the bacteria that causes pinkeye in cattle. Ideal in rotation with CyLence Ultra® Insecticide Cattle Ear Tags (pyrethroid). Utilizes the Allflex® Universal Total Tagger. Effective for up to five months