The Pond & Waterfall Box Filter-11" spillway may be used in your pond as a waterfall box or as a biological filter with a waterfall. The spillway is designed to be extra wide for more aeration in the water. Box has an open swirl chamber that allows the water to flow evenly and efficiently.
Bio-media (not included) may be added and canister may be buried in the ground to hide.
Dimensions: 15" x 12" x 9" (LxWxH) and the waterfall width is 11 1/4". Water Inlet is a 1.0" Female thread.
Box only needs to be cleaned once per year under normal usage.