Duel Lid 7-Cubic ft. Composting Bin Tumbler with Compost Tea CollectorThe next generation of composting is now available with the Duel Lid 7 Cubic ft. Composting Bin Tumbler with Compost Tea Collector combines some of the greatest features in tumblers to create a compact tumbler that does it all. With compost tumblers, users are restricted to working with one batch at a time. The Dueling Tumbler overcomes this drawback by supporting two batches running simultaneously. Each 26 gallon chamber is separated and can compost