The Qt Hurricane Give You The Same Power You Would Expect In The Cyclone With The Added Convenience Of A 7 Day 6 Cycle Programmable Timer. It Produces Up To 1250 Mg/Hr Of Ozone To Deal With Your Worst Odor Problems. This Is A Great Choice For Garbage Areas, Dank Basement Or Crawl Spaces, Sewage Odors, Locker Rooms, Or Any Area That Needs Daily Deodorization… All Queenaire Models Have A 5 Year Warranty, 15-20 Year Life Expectancy.