Custom sink flanges are available in popular designer colors including polished stainless steel, polished brass, white, and almond. The Extended Stainless Steel Sink Flange, that accommodates sinks up to 1 3/4 inches thick, is available by special order. For use on all In-Sink-Erator manufactured disposers. Custom sink stoppers are available in popular designer colors including polished stainless steel, polished brass, white, and almond. For use on all In-Sink-Erator manufactured disposers.