BugPellent Pest Control, Refill Pack, Each Pack includes 1 hangar and 1 BugPellent filler, Non-toxic Use in barn, carriage house, garage, patio or deck area Pleasant vapor release repels flies and other insects Reduces spiders in barns, run-in sheds, and other semi-enclosed spaces Reduces risk of infection while making the environment more comfortable Non-toxic; Contains only natural essential oil and organic waxes