Flies are an ever-present nuisance around many homes in the summer months. With the TERRO Fly Magnet Fly Trap you can attract and trap a wide variety of flies that pester you outdoors including house flies barn flies and bottle flies. The bait works by luring flies into the trap. They go in expecting a treat and find they are unable to leave. For your convenience the TERRO Fly Magnet Fly Trap is incredibly easy to use. Simply empty the bait pack into the trap add warm water to the fill line and swirl to mix. Set the trap at ground level or hang the trap on a tree branch stake or other suitable hanger. This trap is intended for outdoor use so you can draw flies away from your home before they can get inside. Hang in warm bright calm areas for the best results. TERRO Fly Magnet bait contains no chemical insecticides so you can use the trap with peace of mind. Keep in mind the bait may take a few hours before it becomes fully active. Once active the effectiveness will not diminish over time providing optimum fly control. When the trap is full it can be emptied and re-baited for continuous trapping.