 and under furniture because nothing can hide from the thunderstorm. And best of all, no filters to buy and replace over and over again. Spending money on a schedule, how annoying. Right now, you can save 200 American dollars on an Edenpure Thunderstorm 3-pack for a whole home protection. You get three units for under $200. You can put one in your basement, your bedroom, your teenager's room. Give one as a gift.