For use on dairy and beef cattle and swine, As an aid in reducing face fly population on beef and dairy cattle, For use in automatic mechanical or hand dusting equipment and for refilling dust bags, See rate chart for appropriate application particular to the size and species of animal being treated, Dust evenly into the hair over the head neck and shoulders back and tailhead, Repeat as necessary but not more often than once every 21 days, , 165% Cyfluthrin, Dimensions (L x W x H):2, 5 x 5, 13 x 9, 25 SKU: BCI03208