Stainless Steel Spillways bring a polished, gleaming dimension to Atlanticâs formal waterfall spillway line. Constructed of durable 304 stainless steel and available in the same sizes as the popular Colorfalls, these sleek, modern Spillways put a sharp, fresh shine on your formal water feature project. The load bearing body, non-clogging weir and threaded inlet make these sleek, elegant waterfall spillways as easy to install and maintain as they are attractive! Stainless Steel Spillways come standard with a 3-year warranty. For use in fresh water applications only, do not use in chlorinated water.