Mosquito Repellent Coil 10 Creates smoke barrier that drives mosquitoes, ticks and gnats away for hours Use around patios, pools, campsites, beaches, picnic and barbecue areas and on private boats Outdoor use only Each coil burns for 5 - 7 hours Place one coil every 10' Contains petroleum distillate, isobutane, propane Each package contains 10 coils and 2 metal stands