Ready to use sugar-based fly bait granules that lure flies away and kill them quickly (less than one minute) for up to 4 weeks. For the control of houseflies and lesser houseflies (including organophosphate resistant strains) in commercial, industrial and domestic areas. Add a protein source for effective control of bush flies also. Contains Bitrex, an acutely bitter agent which reduces the possibility of accidental ingestion by children, domestic animals or wildlife.