An extension module designed to double the capacity of the Big Square 905 litre wooden composter

• Extends  905 litre Big Square wooden Garden Composter into 1810 litre model
• Facilitates twin-track composting strategy-use one compost heap whilst developing a new one.
• Specifically designed to be suitable for both garden waste and vegetable-based kitchen waste.
• Closed sides prevent compost from drying out to achieve even compost quality.
• Easy to assemble in just a few minutes-no nails or screws or holes to dig.
• Made from porous and insulating wood.
• High capacity facilitates heat generation and maintenance-perfect for destroying weeds and their seeds.
• Generous access to finished compost, with cart access possible.
• Lid designed to maintain composter temperatures and prevent rodent ingress.