Graf Thermo-King 400 Litre Compost BinThe Thermo King 400 Litre Compost Bin is great for larger families with lots of food waste to compost. It's effortless to assemble thanks to the Easy Lock system which lets you simply clip the components into place. Designed to retain heat generated by microorganisms as they break down your food waste, the Thermo King 400 Litre Compost Bin is made from specially engineered Thermolen that offers unique thermal insulation. Adding to, and emptying your