 All dogs are unique. Your dog results can and will vary. Message and data rates may apply. Paid for by Dr. Marty Petz. BOGO is back for one week only for the Eden Pure Thunderstorm Air Purifier. You've been waiting for it and now it's here. You've always wondered if the Thunderstorm Air Purifier works and this is the best time to find out. Eric, one listener wrote, we purchased two Thunderstorm Air Purifiers one year ago.