INSECTO Mini smoke bomb containing the active ingredient Permethrin. Simply light the non-sparking wick, smoke fumes will work their way into all nooks and crannies killing all flying and crawling insects in treated area. Read the label before use, allow minimum of two hours before ventilating the area well. The Insecto Smoke Bomb or Flea Fogger/Flea Bomb is the perfect solution to eliminating all bed bug infestations or cockroach problems within an enclosed room. Ideal for eradicating crawling insects, the Insecto Smoke Bomb is incredibly easy to use..