When you have a big problem with insects like mosquitoes and biting flies, you need a powerful tool like ferti-lome MosquitoGo Yard Fogger. MosquitoGo Fogger contains a combination of ingredients that help provide rapid elimination of many nuisance insects. It works best on yards, porches, patios, screens, window frames, and doors. One 16 oz. bottle treats an average 500 sq. ft. patio up to four times! Kills mosquitoes, flies, gnats, flying moths, ticks, fleas, hornets, midges, mud daubers, wasps, and many other unwanted insects. Also controls plant insects, such as aphids, armyworms, box elder bugs, caterpillars, cutworms, mites, stink bugs, whiteflies and many others. Not for use on edible crops or near ponds. Please read and follow all package instructions. Active ingredients: permethrin and tetramethrin. 16 oz. spray bottle.