Sheer Descent Weirs are ideal when a formal appearance is desired. These weirs create a beautiful sheet-flow waterfall and can be used inside or outdoors. The Stainless Sheer Descent Weir is 46" wide, includes three 1" FPT inlets and requires a minimum of 3,000 gal/hr. 47.24"W x 4.57"D x 3.13"H