Black Flag, 48 OZ Fogger Insecticide, For Use With Black Flag & Burgess Foggers, EPA Registered, Odorless Insecticide Is Safe & Effective For Killing Mosquitoes Including West Nile Virus Carriers, Black Flies, Deer Flies, Horse Flies, Gnats, Moths, Fleas & Ticks, Fog Disappears Quickly & Will Keep Treated Areas Insect Free For Hours.