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Devan are New Zealand’s leading supplier of polyethylene water tanks, septic tanks, and environmentally friendly wastewater treatment systems as well as drums and bins.
The tanks used in the production of our Wastewater systems and septic tanks are extremely light weight and robust. The tanks have been designed, certified and are manufactured to the Australian and New Zealand AS/NZS1546:2008.
The Integra S-15 Wastewater system has been independently certified to comply with AS/NZS1546:2008 and AS/NZS1547:2012. Part of this certification required independent testing carried out by the National trial facility in Rotorua, the OSET-NTP. The Integra system has been approved after successful completion of these trials and produced very low power consumption results, comparable with leading textile systems.