Easy-to-install module that absorbs up to 96% of its volume, which is substantially more than a conventional gabion. This means less excavation is required and installation is simpler and cheaper. Fully-equipped for pipe connection. Allows traffic on the surface above. Fibre cloth which prevents mud and sludge build-up included. Volume: 138 litres/module (absorbs 132 litres), recommended for 25 m² surface area. Dimensions: 50 x 50 x 55 cm. Weight: 8 kg.