Steladone EC 300 is a world-class broad-spectrum acaricide and insecticide. The key active ingredient of this product is Chlorfenvinphos, an organophosphate cholinesterase inhibitor. It is a stable emulsifiable concentrate formulated to control all stages of tick species, keds, screw worms, fleas, and sucking, and biting lice. It protects sheep from blowfly strikes and is effective in controlling sheep scabs. It is also used to control parasites resistant to chlorinated hydrocarbons