Anua International

Anua International, founded in 1993 and based in Greensboro, North Carolina, is an American manufacturer of decentralized wastewater treatment systems and air quality management products operating under the One Place Solutions philosophy. The company's wastewater treatment lineup includes the BioCoir® coconut fiber biofilter system (NSF/ANSI certified, achieving over 50% nitrogen reduction in A400+IM and NS Series configurations), AeroCell® open-cell foam biofilter system (modular recirculating design deployed at the largest decentralized fixed-film installation in the US at 220,000 GPD in Mississippi), and Puraflo® passive biofilters available in both peat and coir media variants certified to NSF/ANSI Standards 40 and 350. Advanced treatment products include the PuraSys SBR sequencing batch reactor, PuraMax MBBR moving bed biofilm reactor package plants for higher-volume commercial applications, PuraACE advanced treatment pods for high-strength wastewater, and Puralinity alkalinity enhancement units. Collection and dispersal products encompass the EffluaSTEP effluent step system, Geoflow subsurface drip irrigation, and water storage tanks. On the air quality side, Anua offers the AiraShell, AiraHybrid, AiraCarb, and AiraSymBIO odor control systems with multiple media options. The affiliated Sim/Tech Filter brand provides onsite system protection products. Applications span single-family and multi-family residential, small commercial, campgrounds, schools, churches, and resort communities throughout North America.