The Laguna PT490 is a pond waterfall spillway that produces the following:
The Laguna PT490 PowerFalls Filter Spillway 14.5" Wide is for small to medium ponds up to 1000 gallons in size. This Laguna PowerFalls filter spillway works well mechanically and biologically. This pond waterfall includes a mechanical filter but DOES NOT INCLUDE a biological filter. This PT490 spillway can be installed in or above ground. This Laguna waterfall is made with solid fiberglass.
The Laguna PT490 specifications: