I have owned a dual tumbler for a number of years. This has out preformed all the other composter's  I have ever tried. Material breaks down nicely and quickly. Most importantly to me the company stands behind the product like old American manufacturing companies used to. I have had a couple of parts breakdown and I had to replace. Lifetime has shipped the parts no questions asked, timely and at no cost! I highly recommend this company who truly stands behind its products!!