Contains one (1)white canvas bag (28" H x 30" W) with burlap inner lining, a 19'6" nylon braided rope & a 12½ lb bag of Co-Ral 1% dust for the control of horn flies & lice on beef & dairy cattle & as an aid in reducing face fly populations. Also controls lice on swine. Locate bags in area where cattle must pass under it for water or feed for forced use or in area where cattle loaf, usually near water or shade. Canvas shell provides protection from weather. Use 1 bag for each 20-50 head of cattle. Adjust the number of bags to level of fly & lice control desired, hung at least 20' apart or more.
Refill Cartridges: Contains two (2) 12½ lb refills of 1% Co-Ral Dust.

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