Gordon's® 7301072 Ready To Use Aqueous Fly Spray, 1-GallonReady to use insecticide formulation. Use on cattle, horses, swine and in poultry houses. Can be used as a premises spray fog indoors or a mist outdoors. Also kills fleas and mosquitoes. Size: 1 gallon Controls flies & mosquitoes on all livestock with excellent knockdown Use indoors & outdoors as a surface spray or fogging spray May be used up to & including day of slaughter Use as a surface spray for box elder bugs, cockroaches, spiders, etc.