Pic COMBO Terra Cotta Mosquito Coil Burner Burns for 5-7-hour Used on patios and porches Effective and easy to use Coils create smoke barrier that drives away mosquitoes, gnats etc for hours Allows coils to be burned in a safe, decorative covered dish which protects coils from inclement weather while burning Use on patios, decks, poolside, campsites or anywhere flying insects are a problem Contains terra cotta holder and 4 coils Includes one burner and four mosquito coils