"For control of horn flies, face flies, biting lice, and sucking lice on beef and dairy cattle.Can also safely be used on lactating cattle.Highly active cyfluthrin is effective at dosage rates lower than other pyrethroid insecticides.No mixing required. Can be easily used in cold weather.Treatment for flies can be repeated as needed, but no more often than once every 3 weeks.Can be used on all beef cattle with no slaughter withdrawal. Can be used at any time of year regardless of grub cycle.Cyfluthrin, Cyano(4-Fluoro-3 Phenoxyphenyl) Methyl-3-(2,2-Dichloroethynl)-2,2-Dimethyl-Cyclopropanecarboxylate.Size6 PINTColor BLUE"BCI - 151084