Merck Ultra Boss Pour On 32 oz – 019474 – Livestock Health

Product Features:

• Contains 5% permethrin and 5% piperonyl butoxide
• For use on lactating and non lactating dairy cattle, beef cattle and calves, horses, sheep and lactating and non lactating dairy goats
• Controls horn flies, face flies, lice, sheep keds and lice and aids in the control of horse, stable, and black flies, mosquitoes and ticks