Septic Tanks Systems

Ozzi Kleen Septic Tank ST10 – ST10A Range

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Efficiency, Reliability, Simplicity

Ozzi Kleen Septic Tanks are made of tough polyethylene and are weight for weight stronger than steel and concrete

Ozzi Kleen Septic Tanks are the ideal choice for use in applications where a no power option to treat your waste, difficult site access or cost is a major consideration.

The new Ozzi Kleen Septic Tanks are the only 4,500 Litre single piece Septic tanks available and are an inexpensive alternative to the old heavy concrete many section multiple ring tanks that have been used in the past when all things are considered.

These poly septic tanks are singular one piece moulded design and do not suffer the issue of root intrusion and concrete erosion that all concrete septic tanks can.

These tanks are also much lighter so the installation costs are reduced due to the fact the system can be delivered on a standard utility vehicle and that a large crane or crane truck is not required to install the tank, these tanks can easily be rolled into position and installed with a small machine or even by hand if needed. This is important when the location of the septic is behind a house that a large machine or crane cannot easily gain access to. These tanks can be installed in much less time than a concrete tank as there are no joins to seal no confined spaces entry issues and the tank can be used as soon as it has been installed without time waiting for bonding joining glue to dry.

There are two options available, the ST10 which is a single tank designed to treat water to primary class water or the ST10A which is a single baffled tank. The ST10A can be fitted with a submersible pump if the dispersal area cannot be gravity fed. designed to reduce the solids from the effluent.

These tanks are the perfect sized tanks to suit up to a 6 bedroom house (10 person) which is the largest underground poly tank on the market to date. (AS NZ 1546.1, septic tank for 4-6 bedroom house = 4,500litre minimum tank volume)

These tanks come standard in the Ozzi green colour but can be ordered in any colorbond colour you like for an added $150 per system.

Consider an Ozzi Kleen Septic Tank where appearance, longevity of the product, trouble free, minimal installation time and costs are important considerations.

All of our Septic Tanks come with a welded in Akatherm inlet to accept DWV PVC pipe in the size to suit your application as well as a 100mm Akatherm outlet.

Buying and Installation

Installation can be completed by us, the manufacturer, or your local Ozzi Kleen Australian Distributor.

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  • Lightweight, easy to manoeuver and install
  • UV resistant
  • Large Capacity of 4500 Litres
  • Single piece design, no root intrusion
  • Do not crack or corrode like steel and concrete
  • 15 years warranty on the tank
  • Designed for below ground use
  • Gravity designed system, no power required
  • Minimal servicing required
  • For commercial and domestic applications
  • Access opening allow for ease of servicing
  • Available in multiple colours
  • Low visual impact design once installed
  • Tried and tested design
  • Australian designed, made and owned product


ST10 & ST10A Brochure Download


Queensland ST10 ST10A
New South Wales  ST10 ST10A
Victoria ST10 ST10A
South Australia ST10 ST10A
Western Australia - -
Northern Territory ST10 ST10A
Tasmania ST10 ST10A