The Aeroplus 6000 is the lastest in multi-stage vertical composting. It is designed to take up less space that 2 or 3 regular compost bins. Constructed of 5mm thick plastic, the Aeroplus is much more durable than other 3 stage units. Walls include unique "active" aeration system which provides controlled air flow for optimal microbial action. Lid is hinged with turning handle "lock" to keep animals out. Stage 1: Collect Fresh organic matter in the large top bin. Stage 2: Push waste through to 2nd level to undergo main breakdown process, turn the side handle to drop compost to maturing chamber. Stage 3: Let the compost mature - when full empty as needed. Specifications: Size of Article (L x W x H): 29" x 29" x47" Net Weight: 56 lbs.Single Packaging - boxes: 2 Kind of Packaging: Brown cardboard Kind of Palette: 40" x 48" Size of Master Carton box 1: 9.7" x 29.5" x 29.3" Size of Master Carton box 2: 22" x 28.8" x 25" Weight box 1: 23.7 lbs Weight box 2: 49.5 lbs Specification Sheet here. Features: Winner of Red Dot Design Award - Best of the Best 2013 Ideal for organic household waste and kitchen scraps, not for grass cuttings in large quantity Large filling flap with seal, convenient filling, prevents annoying flying insects Hygienic turning over twice directly in Aeroplus Easy to adjust bilateral ventilation – summer/winter Quick and intensive heating up when composting due to optimum oxygen transfer Fresh compost separate from the ground; prevents rodents from entering Turning base operated from the outside via the crank handle It is no longer necessary to tediously separate the composted material and fresh compost due to the chamber system All elements are ergonomically designed and snap into place High quality, weatherproof and durable recycled plastic in leaf green Warranty: 2 year