Aquascape® Centipede® 29065 Large Module. The Aquascape Large Centipede® Module sits at the lowest point of the wetland filter and helps to efficiently remove sediment, decreasing maintenance and increasing water quality. Wetland filtration is designed to help strip excess nutrients from the water, tackling issues that commonly plague large-scale water features. The Large Centipede® Module is modular in design and works on both earth-bottom and lined ponds, allowing for installation on a wide variety of projects. The Centipede® Module is easily retrofitted into existing ponds and is ideal for use with the Aquascape Large Snorkel® Vault and Cap. Centipede measures 67″ long, 10.5″ tall and 13″ wide.