Permectrin® II is a 10% permethrin emulsifiable insecticide spray that provides up to 30 days of residual effect against various pests listed on the label. Permectrin® II is a 10% permethrin emulsifiable insecticide spray that can be used on animals or as a premise spray. It provides up to 30 days of residual effect against various pests listed on the label and is convenient to apply as a high or low pressure spray with a hand or garden sprayer or as a spot spray when applying to cattle. Permectrin® II can be used in back rubbers or applied in a mist blower or power fogger with water or oil as a carrier for premise applications.