 And no more filters to buy and replace again and again, month after month. Just turn on your EdenPure Thunderstorm and forget about it. Works quietly in the background, cleaning and freshening the air in your home or office. Place a Thunderstorm in the bedroom, in the basement, in your teenager's room. Bring one to the office. Aren't they great? They make great gifts, too. And right now, you can save $200 when you get the three-pack for whole home protection.