Enjoy the sights and sounds of a waterfall! The Cascading Falls box has a 10" weir making it great for starting a Pondless waterfall, meandering stream or pond. Unlike the waterfall filters, this box is designed only to provide a pooling area for water, this is not a biological filter. Comes standard with a built-in landscape lid allowing it to be easily hidden into any landscape. Handles up to 1,800 gph pump. Comes standard to work with 1" PVC flex pipe or kink free tubing.