In your home, the average life span of this is 5 days.
Put your answer in the Whistle 100 Facebook Page comment bar by 8:25. At 8:30, we'll post and announce the winner and winning answer.
All of us at WSSL 100's Ellis and Bradley Show are keeping the victims of Monday's devastating Oklahoma tornado in our thoughts and prayers.
You can see a time lapse video of this deadly twister here