Manufactured from polypropylene with a 10 year guarantee. The air blower's electrical consumption is 0.8kW per day and is guaranteed for 2 years. BOD (Biochemical Oxygen Demand) levels are below 5mg/l. The AT-8 meets the European CE-12566-3+A1 certification. This Treatment plant also meets SR 66:2015 so it is available for use within the republic of Ireland.