  
MERCK
9.5 gm tag for up to 5 months' control of Horn flies (including synthetic pyrethroid-resistant Horn flies) and as an aid in the control of Face flies, use two tags per head on beef and non-lactating dairy cattle and calves.
Contains 20% pirimiphos methyl. Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com
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