Durvent Permethrin 10% concentrate is a long-lasting water-based livestock and premise spray that provides knockdown, broad spectrum insecticidal effectiveness, and excellent residual activity for up to 28 days. Kills flies, face flies, horn flies, stable flies, house flies, lice, fleas, ticks, mites, ants and mosquitoes. Use sites: indoor, outdoor, lawns, horses, swine, cattle, cows, beef, dairy, animal housing, barns, kennels, yards, dairies, stables, sheep, goats, pigs, poultry, chickens, misting, dogs, pour on, backrubber.