Permectrin II Insecticide Spray is a pesticide kills flies, lice, mites, and ticks, and it can be used on animals and in animal houses. Permectrin II provides up to 30 days of residual effect against horn flies, house flies, face flies, stable flies, lice, mites, ticks, and more. Can be used as a high- or low-pressure spray, a spot spray, or as a paint-on, back rub, mist, or fog for convenient application. This insect killer is for use around beef and dairy cattle, poultry, swine, sheep, horses, building and goat premises. | Elanco Permectrin II Animal and Premises Fly Control | Size 1 qt