... insect bite, without any harmful effects. It is effective for 12 hours within an area of 1cubic meter S.M.C ... insect bite, without any harmful effects. It is effective for 12 hours within an area of 1 cubic meter.,Features of ... , offices, hospitals, factories and other places. Functioning as long as 12 hrs without any further efforts as powdering or spaying, baking or buringFor external ...