Ecologix EcoSieve External-Fed rotary drum triangular wedge wire screen was introduced since 1998 and has evolved to become one of the most efficient and reliable rotary screens available. The triangular wedge wire drum screen imported from European France, Poland then assembly with heavy duty, corrosion-resistant stainless-steel chassis in Taiwan Ecologix factory. Many EcoSieve screens in the market operating after fifteen or more years of service.