![The confluence of the Gumbak and Klang rivers in Kuala Lumpur](/media/ywrmvv2r/e12f0657-73b8-44b7-bfc8-3bdac41110e2.jpg)
More than 100 of Hydro International’s Downstream Defender advanced vortex separators are being installed at strategic city-centre locations before the outflows of complex network of drains and tributaries discharging into the Malaysian city’s Klang and Gombak Rivers.