Add on Kit for 308 Gallon Cedar Wood Compost Bin - Made in the USATurn your 308 Gallon Cedar Wood Compost Bin into a complete composting system with this Add On Composting Kit. After the materials in your original compost bin begin to break down, move the material to this attached add on bin, and start fresh with new materials in the first bin. A 3 piece system of one Composting Bin and two add on kits will keep your composting process moving seamlessly So, order two add on kits for the best results. This kit