DURVET FLY 022970 25 oz Dairy Bomb-Z55 Fogger For use on cattle horses swine chickens and other livestock as well as premises Kills and repels flying and crawling insects Natural pyrethrins formula provides quick knockdown and killing power No oily residues safe - no ozone depleting propellants nonflammable - level 1 aerosol - nfpa 30B standards Optimum ratio of synergists to pyrethrins at 10 to 1 for the best killing power for insect control