Prozap Bovi-StripsThe Prozap Bovi Strips face flaps are designed for use with the Bovi Rub for effective and economic control of face flies, horn flies, lice, and ticks on cattle and other livestock. Tie the Bovi Strips to the Bovi Rub for additional insecticide application to the face and sides of cattle and other livestock. Superior wicking action allows for low stress application of insecticides. Use Prozap insecticides for optimal results. Works in conjunction with