Ultra Boss Pour On

A pour-on insecticide for cattle, sheep and horses containing 5% permethrin and 5% piperonyl butoxide. Against lice, horn flies, face flies, horse flies, stable flies, mosquitos, black flies and ticks

• Fast-acting 5% Permethrin formulation with 5% Piperonyl Butoxide optimizes control.
• Effective horn fly control for 8 weeks. Also controls face flies.
• Season-long lice control with one application (January through April).
• No preslaughter withdrawal and no milk discard.