OFF! Outdoor Insect Fogger, 16 Oz, 1 Ct OFF! Outdoor Insect Fogger repels insects outside your home for up to 6 hours. It works effectively against flies, mosquitoes, non-biting gnats, small flying moths, wasps, and multi-colored Asian lady beetles. Take back your outdoor space, and keep living life your way. Strong enough for outdoor spaces, the mosquito repellent fogger covers an area as large as 30 ft x 30 ft (900 sq. ft). Keep out of reach of children and pets. See the label for other precautions and usage directions.