News and articles > All posts Wastewater Rainwater Case studies News > Wastewater Ecoflo compact biofilter certifications in North America Read more Wastewater Ecological alternatives to sand mound and sand filter septic systems Read more Wastewater Why do we need to treat wastewater? Read more Wastewater Advantages of filter renewals for the Ecoflo compact biofilter Read more Wastewater Why do Ecoflo septic systems use a coconut husk fragment filter? Read more News Premier Tech acquires Eparco, a wastewater treatment company in France July 1, 2020 Read more News Premier Tech acquires Éconeau, a rainwater harvesting company in Québec March 9, 2020 Read more News Introducing Premier Tech Water and Environment January 14, 2020 Read more Pagination First page « Prev. Page 1 Page 2 Page 3 Current page 4 Next Last page »