Prozap Insectrin X Concentrate Qt/32oz; Insectrin X Concentrate is a broad spectrum, multi-use insecticide that kills fast and has residual action. Contains 10% Permethrin. For use on livestock, animal premises, lawns, and ornamentals. Approved for U.S. on lactating and non-lactating dairy cattle. Mix with water for spray or spot treatment. Mix with oil forcattle backrubber use to control horn flies, face flies, horseflies, ticks, and ear ticks.