This sustainable, highest quality advanced secondary wastewater treatment system has been NZ tested at OSET in Rotorua.

ET is the New Zealand representative of AES (Advanced Enviro-Septic) passive septic tank system with internationally accredited performance exceeding AS/NZS 1547 Standards.

This AES treatment system can be scaled from an individual house through to 1500 person community installations at campgrounds, holiday homes, Marae, farm houses, DOC huts, schools etc

This is the lowest capital and long-term cost wastewater / septic tank system in NZ, performance-proven with a 20 year guarantee on components. NO ongoing expenses compared to other secondary treatment systems. No power, no electronics, nothing to service or fail.

In excess of 500,000 installations worldwide and over 1000 consented installations in NZ. 30+ years trouble-free North American experience. NZ test results can be found here: http://www.waternz.org.nz/Attachment?Action=Download&Attachment_id=3061

The really sustainable advantages of an AES system are: 20 year guarantee No power No servicing No failing pumps, control boards or aerators No worms Lowest installed and lifetime ownership cost No Homeowner intervention No annual out of pocket expenses

Retro-fit to your existing septic tank for a sustainable upgrade to the current treatment standards.

Call 03 970 7979 or 0800 Waste H20 for free advice on the best solution for your situation. http://www.et.nz/contact-us/

Check out http://www.et.nz for further information.