Bayer - Longest residual control of flies of any pour-on insecticide. Field trial studies prove efficacious horn fly control up to 4 weeks. Active ingredient, cylluthrin, is 4 to 6 times more active than older pyrethroid compounds. Can be applied less often than other pour-on insecticides for control of flies. Provides horn fly control at a lower volume dose than any other pour-on. No withdrawal.

        Horn and Face Fly Dosage Chart

                      F.O.B. Item

   Biting and Sucking Lice Dosage Chart