Prozap LD-44Z farm insect fogger kills and repels flies, ants, clover mites, cluster flies, cockroaches, crickets, fleas, fruit flies, gnats, horn flies, house flies, millipedes, mosquitoes, mud daubers, small flying moths, sow bugs, spiders, stable flies & wasps. Use in and around barns and other farm structures. Contains 0.5% pyrethrins and 4% piperonyl butoxide.