Two years ago we had a flea problem. How many weeks I have done washed cleaned and done. Then I discovered the Fogger. In each room a set up and in no time all dead what hat.habe as ever lived was all repeated yet again after 6 months. now I have a baby I should again get a flea problem, I would not be there in the household with children babies or small children apply. That stuff is just about not ohneansonsten but it does what it should fight fleas.